关于这些返回值的意义,MSDN上都有说明。 比如: OnCreate must return 0 to continue the creation of the CWnd object. If the application returns –1, the window will be destroyed.OnWndMsg:Return Value TRUE if message was handled; otherwise FALSE.OnNotify:Return Value An application returns nonzero if it processes this message; otherwise 0.
比如:
OnCreate must return 0 to continue the creation of the CWnd object. If the application returns –1, the window will be destroyed.OnWndMsg:Return Value
TRUE if message was handled; otherwise FALSE.OnNotify:Return Value
An application returns nonzero if it processes this message; otherwise 0.