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What is Message Map in MFC?

MFC provides a techniq for   Windows program to handle Message send to  window.A mapping from message to member functions may be defined so that one message is handled by windows ,a appropriate member function called automatically.A MFC class which handle a Message Map should be member of CCmdTarget class .
Message Map is MACRO.in which we define the member function which interact with the windows.Like mouse event etc are define in Message map MACRO.

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