modules/graphics/src/main/java/com/sun/javafx/tk/DummyToolkit.java

rev 8895 : RT-39689: Better docs and error checking if Printing or Dialogs called from Animation

*** 80,89 ****
--- 80,94 ----
      public boolean init() {
          return true;
      }
  
      @Override
+     public boolean canStartNestedEventLoop() {
+         return false;
+     }
+ 
+     @Override
      public Object enterNestedEventLoop(Object key) {
          throw new UnsupportedOperationException("Not supported yet.");
      }
  
      @Override