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

*** 29,38 ****
--- 29,40 ----
  import java.awt.Graphics;
  import java.awt.event.ComponentEvent;
  import java.awt.event.MouseEvent;
  
  import sun.awt.LightweightFrame;
+ import sun.swing.JLightweightFrame;
+ import sun.swing.SwingAccessor;
  
  public class WLightweightFramePeer extends WFramePeer {
  
      public WLightweightFramePeer(LightweightFrame target) {
          super(target);
*** 81,86 ****
--- 83,93 ----
  
      @Override
      public void ungrab() {
          getLwTarget().ungrabFocus();
      }
+ 
+     @Override
+     public void updateCursorImmediately() {
+         SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
+     }
  }