1 files changed, 11 insertions, 2 deletions
diff --git a/win/tkWinWm.c b/win/tkWinWm.c
index e9263ab..82795b4 100644
--- a/win/tkWinWm.c
+++ b/win/tkWinWm.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinWm.c,v 1.85 2004/12/28 08:45:31 chengyemao Exp $
+ * RCS: @(#) $Id: tkWinWm.c,v 1.86 2005/01/04 01:29:12 hobbs Exp $
  */
 
 #include "tkWinInt.h"
@@ -1838,6 +1838,15 @@ TkWinWmCleanup(hInstance)
     tsdPtr->initialized = 0;
 
     UnregisterClass(TK_WIN_TOPLEVEL_CLASS_NAME, hInstance);
+#ifndef TCL_THREADS
+    /*
+     * Clean up specialized class created for layered windows.
+     */
+    if (setLayeredWindowAttributesProc != NULL) {
+	UnregisterClass(TK_WIN_TOPLEVEL_NOCDC_CLASS_NAME, hInstance);
+	setLayeredWindowAttributesProc = NULL;
+    }
+#endif
 }
 
 /*
@@ -7882,4 +7891,4 @@ long TkpWinToplevelOverrideRedirect(winPtr, reqValue)
 	}
     }
     return reqValue;
-}
-\ No newline at end of file
+}