fix copmile for C# model annotation

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/CSharpClientCodegen.java

@@ -4,6 +4,7 @@ import com.google.common.collect.ImmutableMap;
 import io.swagger.codegen.CodegenConstants;
 import io.swagger.codegen.CodegenType;
 import io.swagger.codegen.CodegenModel;
+import io.swagger.codegen.CodegenParameter;
 import io.swagger.codegen.SupportingFile;
 import io.swagger.codegen.CodegenProperty;
 import io.swagger.codegen.CodegenOperation;
@@ -11,8 +12,10 @@ import io.swagger.codegen.CliOption;
 import io.swagger.models.Model;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.HashMap;
 import java.util.Iterator;
 
 import org.slf4j.Logger;

modules/swagger-codegen/src/main/resources/csharp/compile-mono.sh.mustache

@@ -32,6 +32,7 @@ cp packages/RestSharp.105.1.0/lib/{{targetFrameworkNuget}}/RestSharp.dll bin/Res
 echo "[INFO] Run 'mcs' to build bin/{{{packageName}}}.dll"
 mcs -sdk:${netfx} -r:bin/Newtonsoft.Json.dll,\
 bin/RestSharp.dll,\
+System.ComponentModel.DataAnnotations.dll,\
 System.Runtime.Serialization.dll \
 -target:library \
 -out:bin/{{packageName}}.dll \

modules/swagger-codegen/src/main/resources/csharp/compile.mustache

@@ -14,8 +14,12 @@
 
 @echo off
 
-{{#supportsAsync}}SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v4.0.30319{{/supportsAsync}}
+{{#supportsAsync}}
-{{^supportsAsync}}SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v3.5{{/supportsAsync}}
+SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v4.0.30319
+{{/supportsAsync}}
+{{^supportsAsync}}
+SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v3.5
+{{/supportsAsync}}
 
 if not exist ".\nuget.exe" powershell -Command "(new-object System.Net.WebClient).DownloadFile('https://nuget.org/nuget.exe', '.\nuget.exe')"
 .\nuget.exe install src\{{packageName}}\packages.config -o packages

samples/client/petstore/csharp/SwaggerClient/IO.Swagger.sln

@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
 VisualStudioVersion = 12.0.0.0
 MinimumVisualStudioVersion = 10.0.0.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger", "src\IO.Swagger\IO.Swagger.csproj", "{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger", "src\IO.Swagger\IO.Swagger.csproj", "{473916C4-D026-4063-8A3D-34BC255A0E7A}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger.Test", "src\IO.Swagger.Test\IO.Swagger.Test.csproj", "{19F1DEBC-DE5E-4517-8062-F000CD499087}"
 EndProject
@@ -12,10 +12,10 @@ Debug|Any CPU = Debug|Any CPU
 Release|Any CPU = Release|Any CPU
 EndGlobalSection
 GlobalSection(ProjectConfigurationPlatforms) = postSolution
-{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+{473916C4-D026-4063-8A3D-34BC255A0E7A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+{473916C4-D026-4063-8A3D-34BC255A0E7A}.Debug|Any CPU.Build.0 = Debug|Any CPU
-{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+{473916C4-D026-4063-8A3D-34BC255A0E7A}.Release|Any CPU.ActiveCfg = Release|Any CPU
-{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}.Release|Any CPU.Build.0 = Release|Any CPU
+{473916C4-D026-4063-8A3D-34BC255A0E7A}.Release|Any CPU.Build.0 = Release|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.Build.0 = Debug|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Release|Any CPU.ActiveCfg = Release|Any CPU

samples/client/petstore/csharp/SwaggerClient/build.sh

@@ -32,6 +32,7 @@ cp packages/RestSharp.105.1.0/lib/net45/RestSharp.dll bin/RestSharp.dll;
 echo "[INFO] Run 'mcs' to build bin/IO.Swagger.dll"
 mcs -sdk:${netfx} -r:bin/Newtonsoft.Json.dll,\
 bin/RestSharp.dll,\
+System.ComponentModel.DataAnnotations.dll,\
 System.Runtime.Serialization.dll \
 -target:library \
 -out:bin/IO.Swagger.dll \

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger.Test/IO.Swagger.Test.csproj

@@ -54,6 +54,7 @@ limitations under the License.
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/IO.Swagger.csproj

@@ -24,7 +24,7 @@ limitations under the License.
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{CD8F9D95-6AFF-40BD-B8E6-58AF86348EC2}</ProjectGuid>
+    <ProjectGuid>{473916C4-D026-4063-8A3D-34BC255A0E7A}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>IO.Swagger</RootNamespace>
@@ -54,6 +54,7 @@ limitations under the License.
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/AdditionalPropertiesClass.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// AdditionalPropertiesClass
     /// </summary>
     [DataContract]
-    public partial class AdditionalPropertiesClass :  IEquatable<AdditionalPropertiesClass>
+    public partial class AdditionalPropertiesClass :  IEquatable<AdditionalPropertiesClass>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="AdditionalPropertiesClass" /> class.
@@ -136,6 +138,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Animal.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Animal
     /// </summary>
     [DataContract]
-    public partial class Animal :  IEquatable<Animal>
+    public partial class Animal :  IEquatable<Animal>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Animal" /> class.
@@ -157,6 +159,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/AnimalFarm.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// AnimalFarm
     /// </summary>
     [DataContract]
-    public partial class AnimalFarm : List<Animal>,  IEquatable<AnimalFarm>
+    public partial class AnimalFarm : List<Animal>,  IEquatable<AnimalFarm>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="AnimalFarm" /> class.
@@ -107,6 +109,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ApiResponse.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ApiResponse
     /// </summary>
     [DataContract]
-    public partial class ApiResponse :  IEquatable<ApiResponse>
+    public partial class ApiResponse :  IEquatable<ApiResponse>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ApiResponse" /> class.
@@ -151,6 +153,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ArrayOfArrayOfNumberOnly.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ArrayOfArrayOfNumberOnly
     /// </summary>
     [DataContract]
-    public partial class ArrayOfArrayOfNumberOnly :  IEquatable<ArrayOfArrayOfNumberOnly>
+    public partial class ArrayOfArrayOfNumberOnly :  IEquatable<ArrayOfArrayOfNumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayOfArrayOfNumberOnly" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ArrayOfNumberOnly.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ArrayOfNumberOnly
     /// </summary>
     [DataContract]
-    public partial class ArrayOfNumberOnly :  IEquatable<ArrayOfNumberOnly>
+    public partial class ArrayOfNumberOnly :  IEquatable<ArrayOfNumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayOfNumberOnly" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ArrayTest.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ArrayTest
     /// </summary>
     [DataContract]
-    public partial class ArrayTest :  IEquatable<ArrayTest>
+    public partial class ArrayTest :  IEquatable<ArrayTest>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayTest" /> class.
@@ -151,6 +153,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Cat.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Cat
     /// </summary>
     [DataContract]
-    public partial class Cat : Animal,  IEquatable<Cat>
+    public partial class Cat : Animal,  IEquatable<Cat>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Cat" /> class.
@@ -172,6 +174,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Category.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Category
     /// </summary>
     [DataContract]
-    public partial class Category :  IEquatable<Category>
+    public partial class Category :  IEquatable<Category>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Category" /> class.
@@ -136,6 +138,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Dog.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Dog
     /// </summary>
     [DataContract]
-    public partial class Dog : Animal,  IEquatable<Dog>
+    public partial class Dog : Animal,  IEquatable<Dog>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Dog" /> class.
@@ -172,6 +174,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/EnumArrays.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// EnumArrays
     /// </summary>
     [DataContract]
-    public partial class EnumArrays :  IEquatable<EnumArrays>
+    public partial class EnumArrays :  IEquatable<EnumArrays>, IValidatableObject
     {
         /// <summary>
         /// Gets or Sets JustSymbol
@@ -177,6 +179,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/EnumClass.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/EnumTest.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// EnumTest
     /// </summary>
     [DataContract]
-    public partial class EnumTest :  IEquatable<EnumTest>
+    public partial class EnumTest :  IEquatable<EnumTest>, IValidatableObject
     {
         /// <summary>
         /// Gets or Sets EnumString
@@ -211,6 +213,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/FormatTest.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// FormatTest
     /// </summary>
     [DataContract]
-    public partial class FormatTest :  IEquatable<FormatTest>
+    public partial class FormatTest :  IEquatable<FormatTest>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="FormatTest" /> class.
@@ -338,6 +340,90 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            // Integer (int?) maximum
+            if(this.Integer > (int?)100.0)
+            {
+                yield return new ValidationResult("Invalid value for Integer, must be a value less than or equal to 100.0.", new [] { "Integer" });
+            }
+
+            // Integer (int?) minimum
+            if(this.Integer < (int?)10.0)
+            {
+                yield return new ValidationResult("Invalid value for Integer, must be a value greater than or equal to 10.0.", new [] { "Integer" });
+            }
+
+            // Int32 (int?) maximum
+            if(this.Int32 > (int?)200.0)
+            {
+                yield return new ValidationResult("Invalid value for Int32, must be a value less than or equal to 200.0.", new [] { "Int32" });
+            }
+
+            // Int32 (int?) minimum
+            if(this.Int32 < (int?)20.0)
+            {
+                yield return new ValidationResult("Invalid value for Int32, must be a value greater than or equal to 20.0.", new [] { "Int32" });
+            }
+
+            // Number (decimal?) maximum
+            if(this.Number > (decimal?)543.2)
+            {
+                yield return new ValidationResult("Invalid value for Number, must be a value less than or equal to 543.2.", new [] { "Number" });
+            }
+
+            // Number (decimal?) minimum
+            if(this.Number < (decimal?)32.1)
+            {
+                yield return new ValidationResult("Invalid value for Number, must be a value greater than or equal to 32.1.", new [] { "Number" });
+            }
+
+            // _Float (float?) maximum
+            if(this._Float > (float?)987.6)
+            {
+                yield return new ValidationResult("Invalid value for _Float, must be a value less than or equal to 987.6.", new [] { "_Float" });
+            }
+
+            // _Float (float?) minimum
+            if(this._Float < (float?)54.3)
+            {
+                yield return new ValidationResult("Invalid value for _Float, must be a value greater than or equal to 54.3.", new [] { "_Float" });
+            }
+
+            // _Double (double?) maximum
+            if(this._Double > (double?)123.4)
+            {
+                yield return new ValidationResult("Invalid value for _Double, must be a value less than or equal to 123.4.", new [] { "_Double" });
+            }
+
+            // _Double (double?) minimum
+            if(this._Double < (double?)67.8)
+            {
+                yield return new ValidationResult("Invalid value for _Double, must be a value greater than or equal to 67.8.", new [] { "_Double" });
+            }
+
+            // _String (string) pattern
+            Regex regex_String = new Regex(@"[a-z]", RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
+            if (false == regex_String.Match(this._String).Success)
+            {
+                yield return new ValidationResult("Invalid value for _String, must match a pattern of /[a-z]/i.", new [] { "_String" });
+            }
+
+            // Password (string) maxLength
+            if(this.Password != null && this.Password.Length > 64)
+            {
+                yield return new ValidationResult("Invalid value for Password, length must be less than 64.", new [] { "Password" });
+            }
+
+            // Password (string) minLength
+            if(this.Password != null && this.Password.Length < 10)
+            {
+                yield return new ValidationResult("Invalid value for Password, length must be greater than 10.", new [] { "Password" });
+            }
+
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/HasOnlyReadOnly.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// HasOnlyReadOnly
     /// </summary>
     [DataContract]
-    public partial class HasOnlyReadOnly :  IEquatable<HasOnlyReadOnly>
+    public partial class HasOnlyReadOnly :  IEquatable<HasOnlyReadOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="HasOnlyReadOnly" /> class.
@@ -133,6 +135,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/List.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// List
     /// </summary>
     [DataContract]
-    public partial class List :  IEquatable<List>
+    public partial class List :  IEquatable<List>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="List" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/MapTest.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// MapTest
     /// </summary>
     [DataContract]
-    public partial class MapTest :  IEquatable<MapTest>
+    public partial class MapTest :  IEquatable<MapTest>, IValidatableObject
     {
 
         /// <summary>
@@ -157,6 +159,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/MixedPropertiesAndAdditionalPropertiesClass.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// MixedPropertiesAndAdditionalPropertiesClass
     /// </summary>
     [DataContract]
-    public partial class MixedPropertiesAndAdditionalPropertiesClass :  IEquatable<MixedPropertiesAndAdditionalPropertiesClass>
+    public partial class MixedPropertiesAndAdditionalPropertiesClass :  IEquatable<MixedPropertiesAndAdditionalPropertiesClass>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="MixedPropertiesAndAdditionalPropertiesClass" /> class.
@@ -151,6 +153,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Model200Response.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Model for testing model name starting with number
     /// </summary>
     [DataContract]
-    public partial class Model200Response :  IEquatable<Model200Response>
+    public partial class Model200Response :  IEquatable<Model200Response>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Model200Response" /> class.
@@ -136,6 +138,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ModelClient.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ModelClient
     /// </summary>
     [DataContract]
-    public partial class ModelClient :  IEquatable<ModelClient>
+    public partial class ModelClient :  IEquatable<ModelClient>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ModelClient" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ModelReturn.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Model for testing reserved words
     /// </summary>
     [DataContract]
-    public partial class ModelReturn :  IEquatable<ModelReturn>
+    public partial class ModelReturn :  IEquatable<ModelReturn>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ModelReturn" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Name.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Model for testing model name same as property name
     /// </summary>
     [DataContract]
-    public partial class Name :  IEquatable<Name>
+    public partial class Name :  IEquatable<Name>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Name" /> class.
@@ -175,6 +177,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/NumberOnly.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// NumberOnly
     /// </summary>
     [DataContract]
-    public partial class NumberOnly :  IEquatable<NumberOnly>
+    public partial class NumberOnly :  IEquatable<NumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="NumberOnly" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Order.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Order
     /// </summary>
     [DataContract]
-    public partial class Order :  IEquatable<Order>
+    public partial class Order :  IEquatable<Order>, IValidatableObject
     {
         /// <summary>
         /// Order Status
@@ -232,6 +234,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Pet.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Pet
     /// </summary>
     [DataContract]
-    public partial class Pet :  IEquatable<Pet>
+    public partial class Pet :  IEquatable<Pet>, IValidatableObject
     {
         /// <summary>
         /// pet status in the store
@@ -245,6 +247,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/ReadOnlyFirst.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// ReadOnlyFirst
     /// </summary>
     [DataContract]
-    public partial class ReadOnlyFirst :  IEquatable<ReadOnlyFirst>
+    public partial class ReadOnlyFirst :  IEquatable<ReadOnlyFirst>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ReadOnlyFirst" /> class.
@@ -134,6 +136,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/SpecialModelName.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// SpecialModelName
     /// </summary>
     [DataContract]
-    public partial class SpecialModelName :  IEquatable<SpecialModelName>
+    public partial class SpecialModelName :  IEquatable<SpecialModelName>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="SpecialModelName" /> class.
@@ -121,6 +123,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/Tag.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// Tag
     /// </summary>
     [DataContract]
-    public partial class Tag :  IEquatable<Tag>
+    public partial class Tag :  IEquatable<Tag>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Tag" /> class.
@@ -136,6 +138,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClient/src/IO.Swagger/Model/User.cs

@@ -24,12 +24,14 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -37,7 +39,7 @@ namespace IO.Swagger.Model
     /// User
     /// </summary>
     [DataContract]
-    public partial class User :  IEquatable<User>
+    public partial class User :  IEquatable<User>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="User" /> class.
@@ -227,6 +229,11 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/IO.Swagger.sln

@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
 VisualStudioVersion = 12.0.0.0
 MinimumVisualStudioVersion = 10.0.0.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger", "src\IO.Swagger\IO.Swagger.csproj", "{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger", "src\IO.Swagger\IO.Swagger.csproj", "{2A56AF87-B694-4558-9CBC-D85E740D4BFD}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IO.Swagger.Test", "src\IO.Swagger.Test\IO.Swagger.Test.csproj", "{19F1DEBC-DE5E-4517-8062-F000CD499087}"
 EndProject
@@ -12,10 +12,10 @@ Debug|Any CPU = Debug|Any CPU
 Release|Any CPU = Release|Any CPU
 EndGlobalSection
 GlobalSection(ProjectConfigurationPlatforms) = postSolution
-{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+{2A56AF87-B694-4558-9CBC-D85E740D4BFD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+{2A56AF87-B694-4558-9CBC-D85E740D4BFD}.Debug|Any CPU.Build.0 = Debug|Any CPU
-{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+{2A56AF87-B694-4558-9CBC-D85E740D4BFD}.Release|Any CPU.ActiveCfg = Release|Any CPU
-{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}.Release|Any CPU.Build.0 = Release|Any CPU
+{2A56AF87-B694-4558-9CBC-D85E740D4BFD}.Release|Any CPU.Build.0 = Release|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.Build.0 = Debug|Any CPU
 {19F1DEBC-DE5E-4517-8062-F000CD499087}.Release|Any CPU.ActiveCfg = Release|Any CPU

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/build.sh

@@ -32,6 +32,7 @@ cp packages/RestSharp.105.1.0/lib/net45/RestSharp.dll bin/RestSharp.dll;
 echo "[INFO] Run 'mcs' to build bin/IO.Swagger.dll"
 mcs -sdk:${netfx} -r:bin/Newtonsoft.Json.dll,\
 bin/RestSharp.dll,\
+System.ComponentModel.DataAnnotations.dll,\
 System.Runtime.Serialization.dll \
 -target:library \
 -out:bin/IO.Swagger.dll \

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger.Test/IO.Swagger.Test.csproj

@@ -54,6 +54,7 @@ limitations under the License.
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />
@@ -86,7 +87,7 @@ limitations under the License.
   <Import Project="$(MsBuildToolsPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
       <ProjectReference Include="..\IO.Swagger\IO.Swagger.csproj">
-          <Project>{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}</Project>
+          <Project>{2A56AF87-B694-4558-9CBC-D85E740D4BFD}</Project>
           <Name>IO.Swagger</Name>
       </ProjectReference>
   </ItemGroup>

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/IO.Swagger.csproj

@@ -24,7 +24,7 @@ limitations under the License.
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{54B7162B-7A0F-44B6-AF09-8ECBA3A2436D}</ProjectGuid>
+    <ProjectGuid>{2A56AF87-B694-4558-9CBC-D85E740D4BFD}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>IO.Swagger</RootNamespace>
@@ -54,6 +54,7 @@ limitations under the License.
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/AdditionalPropertiesClass.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class AdditionalPropertiesClass :  IEquatable<AdditionalPropertiesClass>
+    public partial class AdditionalPropertiesClass :  IEquatable<AdditionalPropertiesClass>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="AdditionalPropertiesClass" /> class.
@@ -139,7 +141,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -150,6 +154,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Animal.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Animal :  IEquatable<Animal>
+    public partial class Animal :  IEquatable<Animal>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Animal" /> class.
@@ -160,7 +162,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -171,6 +175,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/AnimalFarm.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class AnimalFarm : List<Animal>,  IEquatable<AnimalFarm>
+    public partial class AnimalFarm : List<Animal>,  IEquatable<AnimalFarm>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="AnimalFarm" /> class.
@@ -110,7 +112,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -121,6 +125,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ApiResponse.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ApiResponse :  IEquatable<ApiResponse>
+    public partial class ApiResponse :  IEquatable<ApiResponse>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ApiResponse" /> class.
@@ -154,7 +156,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -165,6 +169,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ArrayOfArrayOfNumberOnly.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ArrayOfArrayOfNumberOnly :  IEquatable<ArrayOfArrayOfNumberOnly>
+    public partial class ArrayOfArrayOfNumberOnly :  IEquatable<ArrayOfArrayOfNumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayOfArrayOfNumberOnly" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ArrayOfNumberOnly.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ArrayOfNumberOnly :  IEquatable<ArrayOfNumberOnly>
+    public partial class ArrayOfNumberOnly :  IEquatable<ArrayOfNumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayOfNumberOnly" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ArrayTest.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ArrayTest :  IEquatable<ArrayTest>
+    public partial class ArrayTest :  IEquatable<ArrayTest>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ArrayTest" /> class.
@@ -154,7 +156,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -165,6 +169,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Cat.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Cat : Animal,  IEquatable<Cat>
+    public partial class Cat : Animal,  IEquatable<Cat>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Cat" /> class.
@@ -175,7 +177,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -186,6 +190,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Category.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Category :  IEquatable<Category>
+    public partial class Category :  IEquatable<Category>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Category" /> class.
@@ -139,7 +141,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -150,6 +154,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Dog.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Dog : Animal,  IEquatable<Dog>
+    public partial class Dog : Animal,  IEquatable<Dog>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Dog" /> class.
@@ -175,7 +177,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -186,6 +190,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/EnumArrays.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class EnumArrays :  IEquatable<EnumArrays>
+    public partial class EnumArrays :  IEquatable<EnumArrays>, IValidatableObject
     {
         /// <summary>
         /// Gets or Sets JustSymbol
@@ -180,7 +182,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -191,6 +195,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/EnumClass.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/EnumTest.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class EnumTest :  IEquatable<EnumTest>
+    public partial class EnumTest :  IEquatable<EnumTest>, IValidatableObject
     {
         /// <summary>
         /// Gets or Sets EnumString
@@ -214,7 +216,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -225,6 +229,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/FormatTest.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class FormatTest :  IEquatable<FormatTest>
+    public partial class FormatTest :  IEquatable<FormatTest>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="FormatTest" /> class.
@@ -341,7 +343,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -352,6 +356,90 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            // Integer (int?) maximum
+            if(this.Integer > (int?)100.0)
+            {
+                yield return new ValidationResult("Invalid value for Integer, must be a value less than or equal to 100.0.", new [] { "Integer" });
+            }
+
+            // Integer (int?) minimum
+            if(this.Integer < (int?)10.0)
+            {
+                yield return new ValidationResult("Invalid value for Integer, must be a value greater than or equal to 10.0.", new [] { "Integer" });
+            }
+
+            // Int32 (int?) maximum
+            if(this.Int32 > (int?)200.0)
+            {
+                yield return new ValidationResult("Invalid value for Int32, must be a value less than or equal to 200.0.", new [] { "Int32" });
+            }
+
+            // Int32 (int?) minimum
+            if(this.Int32 < (int?)20.0)
+            {
+                yield return new ValidationResult("Invalid value for Int32, must be a value greater than or equal to 20.0.", new [] { "Int32" });
+            }
+
+            // Number (decimal?) maximum
+            if(this.Number > (decimal?)543.2)
+            {
+                yield return new ValidationResult("Invalid value for Number, must be a value less than or equal to 543.2.", new [] { "Number" });
+            }
+
+            // Number (decimal?) minimum
+            if(this.Number < (decimal?)32.1)
+            {
+                yield return new ValidationResult("Invalid value for Number, must be a value greater than or equal to 32.1.", new [] { "Number" });
+            }
+
+            // _Float (float?) maximum
+            if(this._Float > (float?)987.6)
+            {
+                yield return new ValidationResult("Invalid value for _Float, must be a value less than or equal to 987.6.", new [] { "_Float" });
+            }
+
+            // _Float (float?) minimum
+            if(this._Float < (float?)54.3)
+            {
+                yield return new ValidationResult("Invalid value for _Float, must be a value greater than or equal to 54.3.", new [] { "_Float" });
+            }
+
+            // _Double (double?) maximum
+            if(this._Double > (double?)123.4)
+            {
+                yield return new ValidationResult("Invalid value for _Double, must be a value less than or equal to 123.4.", new [] { "_Double" });
+            }
+
+            // _Double (double?) minimum
+            if(this._Double < (double?)67.8)
+            {
+                yield return new ValidationResult("Invalid value for _Double, must be a value greater than or equal to 67.8.", new [] { "_Double" });
+            }
+
+            // _String (string) pattern
+            Regex regex_String = new Regex(@"[a-z]", RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
+            if (false == regex_String.Match(this._String).Success)
+            {
+                yield return new ValidationResult("Invalid value for _String, must match a pattern of /[a-z]/i.", new [] { "_String" });
+            }
+
+            // Password (string) maxLength
+            if(this.Password != null && this.Password.Length > 64)
+            {
+                yield return new ValidationResult("Invalid value for Password, length must be less than 64.", new [] { "Password" });
+            }
+
+            // Password (string) minLength
+            if(this.Password != null && this.Password.Length < 10)
+            {
+                yield return new ValidationResult("Invalid value for Password, length must be greater than 10.", new [] { "Password" });
+            }
+
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/HasOnlyReadOnly.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class HasOnlyReadOnly :  IEquatable<HasOnlyReadOnly>
+    public partial class HasOnlyReadOnly :  IEquatable<HasOnlyReadOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="HasOnlyReadOnly" /> class.
@@ -136,7 +138,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -147,6 +151,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/List.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class List :  IEquatable<List>
+    public partial class List :  IEquatable<List>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="List" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/MapTest.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class MapTest :  IEquatable<MapTest>
+    public partial class MapTest :  IEquatable<MapTest>, IValidatableObject
     {
 
         /// <summary>
@@ -160,7 +162,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -171,6 +175,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/MixedPropertiesAndAdditionalPropertiesClass.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class MixedPropertiesAndAdditionalPropertiesClass :  IEquatable<MixedPropertiesAndAdditionalPropertiesClass>
+    public partial class MixedPropertiesAndAdditionalPropertiesClass :  IEquatable<MixedPropertiesAndAdditionalPropertiesClass>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="MixedPropertiesAndAdditionalPropertiesClass" /> class.
@@ -154,7 +156,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -165,6 +169,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Model200Response.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Model200Response :  IEquatable<Model200Response>
+    public partial class Model200Response :  IEquatable<Model200Response>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Model200Response" /> class.
@@ -139,7 +141,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -150,6 +154,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ModelClient.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ModelClient :  IEquatable<ModelClient>
+    public partial class ModelClient :  IEquatable<ModelClient>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ModelClient" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ModelReturn.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ModelReturn :  IEquatable<ModelReturn>
+    public partial class ModelReturn :  IEquatable<ModelReturn>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ModelReturn" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Name.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Name :  IEquatable<Name>
+    public partial class Name :  IEquatable<Name>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Name" /> class.
@@ -178,7 +180,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -189,6 +193,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/NumberOnly.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class NumberOnly :  IEquatable<NumberOnly>
+    public partial class NumberOnly :  IEquatable<NumberOnly>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="NumberOnly" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Order.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Order :  IEquatable<Order>
+    public partial class Order :  IEquatable<Order>, IValidatableObject
     {
         /// <summary>
         /// Order Status
@@ -235,7 +237,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -246,6 +250,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Pet.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Pet :  IEquatable<Pet>
+    public partial class Pet :  IEquatable<Pet>, IValidatableObject
     {
         /// <summary>
         /// pet status in the store
@@ -248,7 +250,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -259,6 +263,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/ReadOnlyFirst.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class ReadOnlyFirst :  IEquatable<ReadOnlyFirst>
+    public partial class ReadOnlyFirst :  IEquatable<ReadOnlyFirst>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ReadOnlyFirst" /> class.
@@ -137,7 +139,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -148,6 +152,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/SpecialModelName.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class SpecialModelName :  IEquatable<SpecialModelName>
+    public partial class SpecialModelName :  IEquatable<SpecialModelName>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="SpecialModelName" /> class.
@@ -124,7 +126,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -135,6 +139,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/Tag.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class Tag :  IEquatable<Tag>
+    public partial class Tag :  IEquatable<Tag>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Tag" /> class.
@@ -139,7 +141,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -150,6 +154,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }

samples/client/petstore/csharp/SwaggerClientWithPropertyChanged/src/IO.Swagger/Model/User.cs

@@ -24,6 +24,7 @@ using System;
 using System.Linq;
 using System.IO;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -32,6 +33,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using PropertyChanged;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IO.Swagger.Model
 {
@@ -40,7 +42,7 @@ namespace IO.Swagger.Model
     /// </summary>
     [DataContract]
     [ImplementPropertyChanged]
-    public partial class User :  IEquatable<User>
+    public partial class User :  IEquatable<User>, IValidatableObject
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="User" /> class.
@@ -230,7 +232,9 @@ namespace IO.Swagger.Model
                 return hash;
             }
         }
+
         public event PropertyChangedEventHandler PropertyChanged;
+
         public virtual void OnPropertyChanged(string propertyName)
         {
             // NOTE: property changed is handled via "code weaving" using Fody.
@@ -241,6 +245,11 @@ namespace IO.Swagger.Model
                 propertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
+
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        { 
+            yield break;
+        }
     }
 
 }