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Called by the framework when the MDI frame window processes a WM_ERASEBKGND message.

virtual BOOL OnEraseMDIClientBackground(

TRUE if the application processes the message and erases the background.

Override this member function if you want to process the WM_ERASEBKGND message in a CMDIFrameWndEx-derived class.

Header: afxMDIFrameWndEx.h

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