C# 模拟Windows键盘消息

 1     [DllImport("user32.dll", EntryPoint = "keybd_event", SetLastError = true)]
 2     public static extern void keybd_event(
 3         byte bVk,    //虚拟键值
 4         byte bScan,// 一般为0
 5         int dwFlags,  //这里是整数类型  0 为按下，2为释放
 6         int dwExtraInfo  //这里是整数类型 一般情况下设成为 0
 7     );
 8     private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
 9     {
10         OutputTextBox.Focus();
11         keybd_event((byte)Keys.LControlKey, 0, 0, 0);
12         keybd_event((byte)Keys.LShiftKey, 0, 0, 0);
13         keybd_event((byte)Keys.Divide, 0, 0, 0);
14         keybd_event((byte)Keys.LControlKey, 0, 2, 0);
15         keybd_event((byte)Keys.LShiftKey, 0, 2, 0);
16         keybd_event((byte)Keys.Divide, 0, 2, 0);
17     }