Process.Start("C:\\Program Files\\xxx.exe", .Text);
     Thread.Sleep(160);
     IntPtr intPtr= Utility.FindWindow(null, "XXXXX");
     if (intPtr== IntPtr.Zero)
     {
      MessageBox.Show("Can't find  form!");
      return;
     }
     Utility.SetForegroundWindow(intPtr);
     SendKeys.SendWait("zzzzzzzzzz");
     SendKeys.SendWait("{ENTER}");