public bool SendData(byte[] data, out string errMsg)
{
errMsg = "";
if (lstClient.Count == 1)
{
try
{
UDPClient client = lstClient.ToArray()[0];
client.NetWork.Send(data, data.Length);
}
catch (Exception ex)
{
errMsg = ex.Message;
return(false);
}
}
else
{
errMsg = "客户端列表不唯一";
return(false);
}
return(true);
}
/// <summary>
/// 接收到数据
/// </summary>
/// <param name="ar"></param>
public void ReceiveCallback(IAsyncResult ar)
{
UDPClient uclient = (UDPClient)ar.AsyncState;
try
{
if (uclient.NetWork.Client != null && uclient.NetWork.Client.Connected)
{
IPEndPoint fclient = uclient.ipLocalEndPoint;
Byte[] recdata = uclient.NetWork.EndReceive(ar, ref fclient);
string ConnName = uclient.ipLocalEndPoint.Port + "->" + fclient.ToString();
if (DataReceived != null)
{
DataReceived.BeginInvoke(ConnName, recdata, null, null); //异步输出数据
}
uclient.NetWork.BeginReceive(new AsyncCallback(ReceiveCallback), uclient); //继续异步接收数据
}
}
catch (Exception ex)
{
TriggerErrorEvent(ex.Message);
// MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public TestHome(UDPClient client, UDPClientManager clienManager)
{
this.client = client;
this.clienManager = clienManager;
InitializeComponent();
}