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如何知道光标是否在特定控件上,如 Win32 中的按钮?为此目的存在 WM_MOUSEMOVE 但我无法收到 WM_MOUSEMOVE 消息?
该怎么办?
没有WM_MOUSEOVER,AFAIK。有一个WM_MOUSEHOVER,但这并不能满足您的要求。试试WM_MOUSEMOVE。
WM_MOUSEOVER
WM_MOUSEHOVER
WM_MOUSEMOVE