--- a/uiacceltk/hitchcock/coretoolkit/inc/huicanvaswsgc.h	Fri Mar 12 15:47:04 2010 +0200
+++ b/uiacceltk/hitchcock/coretoolkit/inc/huicanvaswsgc.h	Mon Mar 15 12:43:37 2010 +0200
@@ -156,7 +156,8 @@
     
     virtual TInt EnableRenderbuffer(TBool aEnable = ETrue) = 0;
     virtual THuiCanvasWsGcType Type() const = 0;
-    
+
+    virtual void ClearCapturingBufferArea(const TRect& aRect) = 0;
     	
     ~CHuiCanvasWsGc(){}         
     };