C#调用其他程序,比如控制别的程序上的按钮
来源:互联网 发布:aspose.cells java 编辑:程序博客网 时间:2024/05/23 19:35
[DllImport ( "user32.dll", EntryPoint = "FindWindow", SetLastError = true )] private static extern IntPtr FindWindow( string lpClassName, string lpWindowName ); [DllImport ( "user32.dll", EntryPoint = "FindWindowEx", SetLastError = true )] private static extern IntPtr FindWindowEx( IntPtr hwndParent, uint hwndChildAfter, string lpszClass, string lpszWindow ); [DllImport ( "user32.dll", EntryPoint = "SendMessage", SetLastError = true, CharSet = CharSet.Auto )] private static extern int SendMessage( IntPtr hwnd, uint wMsg, int wParam, int lParam ); [DllImport ( "user32.dll", EntryPoint = "SetForegroundWindow", SetLastError = true )] private static extern void SetForegroundWindow( IntPtr hwnd ); private void button2_Click(object sender, EventArgs e) { const uint BM_CLICK = 0xF5; //鼠标点击的消息,对于各种消息的数值,大家还是得去API手册 IntPtr hwndPhoto = FindWindow(null, "UC580Demo"); //查找拍照程序的句柄【任务管理器中的应用程序名称】 if (hwndPhoto != IntPtr.Zero) { IntPtr hwndThree = FindWindowEx(hwndCalc, 0, null, "快照"); //获取按钮快照的句柄 SetForegroundWindow(hwndPhoto); //将UcDemo程序设为当前活动窗口 System.Threading.Thread.Sleep(500); //暂停500毫秒 SendMessage(hwndThree, BM_CLICK, 0, 0);//模拟点击拍照按钮 } else { MessageBox.Show("没有启动 UcDemo"); } }