next-ucap-messenger/projects/ucap-webmessenger-app/src/app/layouts/native/components/top-bar.component.html

<mat-toolbar class="app-layout-native-title-bar">
  <div class="app-layout-native-title-bar-logo">
    <img src="assets/images/logo/ico_64x64.png" />
  </div>
  <div class="app-layout-native-title-bar-title">UCAP M Messenger</div>
  <div class="app-layout-native-title-bar-spacer"></div>
  <div class="app-layout-native-title-bar-actions">
    <button
      mat-icon-button
      class="button app-layout-native-title-bar-minimize"
      (click)="onClickMinimize()"
    >
      <!--<mat-icon>minimize</mat-icon>-->
      <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor"
        stroke-width="2" stroke-linecap="butt" stroke-linejoin="round">
        <line x1="5" y1="18" x2="19" y2="18"></line>
      </svg>
    </button>
    <button
      mat-icon-button
      class="button app-layout-native-title-bar-maximize"
      (click)="onClickMaxmize()"
    >
      <ng-container [ngSwitch]="windowStateChanged$ | async">
        <!--<mat-icon *ngSwitchCase="WindowState.Maximized">filter_none</mat-icon>-->
        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor"
          stroke-width="2" stroke-linecap="butt" stroke-linejoin="round" *ngSwitchCase="WindowState.Maximized">
          <path class="st0"
            d="M15,9.5v7c0,0.8-0.7,1.5-1.5,1.5h-7C5.7,18,5,17.3,5,16.5v-7C5,8.7,5.7,8,6.5,8h7C14.3,8,15,8.7,15,9.5z" />
          <path class="st0" d="M8.8,6.8V6c0-0.8,0.7-1.5,1.5-1.5H17c0.8,0,1.5,0.7,1.5,1.5v6.8c0,0.8-0.7,1.5-1.5,1.5h-0.8" />
        </svg>

        <!--<mat-icon *ngSwitchDefault>crop_din</mat-icon>-->
        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor"
          stroke-width="2" stroke-linecap="butt" stroke-linejoin="round" *ngSwitchDefault>
          <rect x="5" y="5" width="12" height="12" rx="2" ry="2"></rect>
        </svg>

      </ng-container>
    </button>
    <button
      mat-icon-button
      class="button app-layout-native-title-bar-close"
      (click)="onClickClose()"
    >
      <!--<mat-icon>close</mat-icon>-->
      <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor"
        stroke-width="2" stroke-linecap="butt" stroke-linejoin="round">
        <line x1="18" y1="6" x2="6" y2="18"></line>
        <line x1="6" y1="6" x2="18" y2="18"></line>
      </svg>
    </button>
  </div>
</mat-toolbar>