--- old/src/windows/classes/sun/awt/windows/WWindowPeer.java	2009-10-28 18:56:17.000000000 +0300
+++ new/src/windows/classes/sun/awt/windows/WWindowPeer.java	2009-10-28 18:56:16.000000000 +0300
@@ -199,7 +199,17 @@
     }
 
     native void createAwtWindow(WComponentPeer parent);
+
+    private volatile Window.Type windowType = Window.Type.NORMAL;
+
+    // This method must be called for Window, Dialog, and Frame before creating
+    // the hwnd
+    void preCreate(WComponentPeer parent) {
+        windowType = ((Window)target).getType();
+    }
+
     void create(WComponentPeer parent) {
+        preCreate(parent);
         createAwtWindow(parent);
     }