src/windows/classes/sun/awt/windows/WWindowPeer.java

*** 1,7 ****
  /*
!  * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 472,489 ****
  
      /*
       * Called from native code when we have been dragged onto another screen.
       */
      void draggedToNewScreen() {
-         SunToolkit.executeOnEventHandlerThread((Component)target,new Runnable()
-         {
-             @Override
-             public void run() {
                  displayChanged();
              }
-         });
-     }
  
      public void updateGC() {
          int scrn = getScreenImOn();
          if (screenLog.isLoggable(PlatformLogger.Level.FINER)) {
              log.finer("Screen number: " + scrn);
--- 472,483 ----
*** 537,547 ****
       * reflects the current display depth information, which has
       * just changed).
       */
      @Override
      public void displayChanged() {
!         updateGC();
      }
  
      /**
       * Part of the DisplayChangedListener interface: components
       * do not need to react to this event
--- 531,541 ----
       * reflects the current display depth information, which has
       * just changed).
       */
      @Override
      public void displayChanged() {
!         SunToolkit.executeOnEventHandlerThread(target, this::updateGC);
      }
  
      /**
       * Part of the DisplayChangedListener interface: components
       * do not need to react to this event