/// <summary>
 /// ����������Ϣ
 /// </summary>
 /// <param name="message"></param>
 private void SendMessage(JhCommMessages message, Int32 parm)
 {
     CommHead ch = new CommHead();
     ch.WParam = (short) message;
     ch.DWParam = parm;
     Client.GetStream().Write(ch.ToBytes(), 0, 16);
 }
 /// <summary>
 /// ��������
 /// </summary>
 /// <param name="data"></param>
 /// <returns></returns>
 public void Send(byte[] data)
 {
     if (Connected == true)
     {
         CommHead ch = new CommHead();
         ch.WParam = (short) JhCommMessages.DataTransfer;
         ch.Add(data);
         client.GetStream().Write(ch.ToBytes(), 0, ch.Length);
     }
     else
     {
         MessageBox.Show("��δ�������ӻ��������Ѿ��Ͽ�!");
     }
 }