private void OnKeyboardDataEventHandler(KeyboardAdapterHandler adapterHandler, string text)
 {
     txtKey.AppendText(DateTime.Now.ToString() + Environment.NewLine);
     txtKey.AppendText(text + Environment.NewLine);
 }
 private void OnOffLineKeyboradEventHandler(KeyboardAdapterHandler adapterHandler, string text)
 {
     txtKey.Text = text;
     MessageBoxHelper.ShowBoxExclamation("离线记录已停止!");
 }