/// <summary>
/// 发送广播消息
/// </summary>
/// <param name="cmd">消息命令字类型</param>
public void BoardCast(wawCMD cmd)
{
List <byte> bytesource = new List <byte>();
if ((cmd == wawCMD.WAW_BC_ABSENCE) || (cmd == wawCMD.WAW_BC_BUSY) || (cmd == wawCMD.WAW_BC_CHECKNEWVER) || (cmd == wawCMD.WAW_BC_GETLIST) || (cmd == wawCMD.WAW_BC_SIGNIN) || (cmd == wawCMD.WAW_BC_SIGNOUT))
{
bytesource.AddRange(PreDefine.DataHeadPreProcess(cmd));
byte[] sendbuff = bytesource.ToArray();
udpclient.Send(sendbuff, sendbuff.Length, boardcast_ipport);
}
}
/// <summary>
///
/// </summary>
/// <param name="ipendpoint"></param>
/// <param name="txt">要发送的消息文本</param>
public MsgSend(IPEndPoint ipendpoint, wawCMD cmd, string txt)
{
remote_ipport = ipendpoint;
List <byte> bytesource = new List <byte>();
bytesource.AddRange(PreDefine.DataHeadPreProcess(cmd));
bytesource.AddRange(Encoding.UTF8.GetBytes(txt));
sendbuff = bytesource.ToArray();
//也可使用如下方法进行byte数组拼接，一般来讲，对于大byte数组，采用泛型效率要高很多
//byte[] sendbuf = PreDefine.DataHeadPreProcess(cmd).Concat(Encoding.UTF8.GetBytes(txt)).ToArray();
}