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

@@ -25,10 +25,11 @@
 
 package sun.awt.windows;
 
 import java.awt.Component;
 import java.awt.Graphics;
+import java.awt.dnd.DropTarget;
 import java.awt.event.ComponentEvent;
 import java.awt.event.MouseEvent;
 
 import sun.awt.LightweightFrame;
 import sun.swing.JLightweightFrame;

@@ -92,6 +93,16 @@
     }
 
     public boolean isLightweightFramePeer() {
         return true;
     }
+
+    @Override
+    public void addDropTarget(DropTarget dt) {
+        getLwTarget().addDropTarget(dt);
+    }
+
+    @Override
+    public void removeDropTarget(DropTarget dt) {
+        getLwTarget().removeDropTarget(dt);
+    }
 }