afx_msg BOOL OnQueryNewPalette();
Called when the CWnd is about to receive the input focus. If the CWnd realizes its logical palette when it receives the input focus, it should return TRUE; otherwise, it should return FALSE.
This message-handler member function calls the Default member function. Override this member function in your derived class to handle the WM_QUERYNEWPALETTE message.
TRUE if the CWnd realizes its logical palette; otherwise FALSE.
CWnd::Default, WM_QUERYNEWPALETTE