winform用SendMessage怎么发送一个鼠标消息,指定鼠标在某个窗口(32,32...答:你先要用FindWindow(string lpClassName,string lpWindowName)获取该窗口的句柄 IntPtr hwnd QQ= FindWindow(null,"QQ2011");这样就能获取QQ登录窗口的句柄 然后再使用SendMessage(IntPtr hwnd,int msg,IntPtr wParam,IntPtr lParam)向该窗口发送消息 SendMessage(hwndQQ,WM_LBUTTONDBLCLK ,MK_LBUTTON,...