wxWidgets处理Windows消息

 经过分析src/msw/window.cpp，通过重载wxWindow的MSWWindowProc方法莱实现。 

WXLRESULT   MyPanel::MSWWindowProc(WXUINT   message,   WXWPARAM   wParam,   WXLPARAM   lParam) 
{ 
        switch(   message   ) 
        { 
        case   WM_COPYDATA: 
                ....; 
                break; 
        default: 
                break; 
        } 
        return   wxPanel::MSWWindowProc(   message,   wParam,   lParam   ); 
}

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grabbed from : wxMSW FAQ (Windows)

How to get HWND of a wxWindow object?

If you need to interface with native Windows code, you may use wxWindow::GetHWND() method whose result can be cast to HWND.

How do I handle Windows messages in my wxWidgets program?

To handle a Windows message you need to override a virtual MSWWindowProc() method in a wxWindow-derived class. You should then test if nMsg parameter is the message you need to process and perform the necessary action if it is or call the base class method otherwise.