式門遁甲

[DllImport("user32.dll")]

public static extern long SendMessage(int hWnd, uint msg, uint wparam, string text);

  public const uint WM_SETTEXT = 0x0c;

  public const uint WM_GETTEXT = 0x0d;

  public const uint WM_LBUTTONUP = 0x0202;

  public const uint WM_LBUTTONDOWN = 0x0201;

傳送字串：

 SendMessage(輸入欄位的Handle, WM_SETTEXT, 0, "你要送的字串" );

傳送對按鈕按下去的訊號：

 SendMessage(按鈕的Handle, WM_LBUTTONDOWN, 0, null);

 SendMessage(按鈕的Handle, WM_LBUTTONUP, 0, null);