p.location-badge.
  exported from <a href='../directives'>angular2/directives</a>
  defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.32/modules/angular2/src/directives/ng_switch.ts#L135-L173">angular2/src/directives/ng_switch.ts (line 135)</a>

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  Defines a case statement as an expression.
  
  If multiple `NgSwitchWhen` match the `NgSwitch` value, all of them are displayed.
  
  Example:
  
  ```
  // match against a context variable
  <template [ng-switch-when]="contextVariable">...</template>
  
  // match against a constant string
  <template ng-switch-when="stringValue">...</template>
  ```
  
  

.l-main-section
  h2 Annotations
  .l-sub-section
    h3.annotation Directive
    pre.prettyprint
      code.
        @Directive({selector: &#39;[ng-switch-when]&#39;, properties: [&#39;ngSwitchWhen&#39;]})


.l-main-section
  h2 Members
  .l-sub-section
    h3 constructor

    
    pre.prettyprint
      code.
        constructor(viewContainer: ViewContainerRef, templateRef: TemplateRef, sswitch: NgSwitch)
    
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  .l-sub-section
    h3 onDestroy

    
    pre.prettyprint
      code.
        onDestroy()
    
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  .l-sub-section
    h3 ngSwitchWhen

    
    :markdown