LRESULT DefWindowProc( UINT uMsg, WPARAM wParam, LPARAM lParam );
Return Value
The result of the message processing.
Parameters
uMsg
[in] The message sent to the window.
wParam
[in] Additional message-specific information.
lParam
[in] Additional message-specific information.
Remarks
Called by WindowProc to process messages not handled by the message map. By default, DefWindowProc calls the CallWindowProc Win32 function to send the message information to the window procedure specified in m_pfnSuperWindowProc.