自定义消息 .CPP文件 第一步 #define WM_MySHOWDINGDU (WM_USER+100) #define WM_MySTOP (WM_USER+101) #define WM_UpLoadSucce (WM_USER +102) #define WM_UPRESULT (WM_USER + 103) #define WM_CANCELUPLOAD (WM_USER + 104) 第二步; BEGIN_MESSAGE_MAP(CScreenDefineView , CFormView) ON_MESSAGE( WM_MySHOWDINGDU , Jingdutiao ) ON_MESSAGE( WM_UpLoadSucce , UPLOadSucce ) ON_MESSAGE( WM_UPRESULT , UPLOADRESULT) ON_MESSAGE( WM_CANCELUPLOAD , CancleUpload) .h文件; afx_msg LRESULT Jingdutiao(WPARAM wParam, LPARAM lParam);// DDX/DDV 支持 afx_msg LRESULT UPLOadSucce(WPARAM wParam, LPARAM lParam); afx_msg LRESULT UPLOADRESULT(WPARAM wParam, LPARAM lParam); afx_msg LRESULT CancleUpload(WPARAM wParam, LPARAM lParam);