/// <summary>
/// 回调函数
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
ZXBC_TCPClient client = (ZXBC_TCPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
NetworkStream ns = client.NetWork.GetStream();
try
{
byte[] recdata = new byte[ns.EndRead(ar)];
Array.Copy(client.buffer, recdata, recdata.Length);
if (recdata.Length > 0)
{
if (DataReceived != null)
{
DataReceived.BeginInvoke(client.Name, recdata, null, null);//异步输出数据
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
}
/// <summary>
/// 连接新的服务端
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TCP_Connect_button_Click(object sender, EventArgs e)
{
ZXBC_TCPClient client = new ZXBC_TCPClient();
try
{
client.NetWork = new TcpClient();
client.NetWork.Connect(TCPClient_IP_textBox.Text.Trim(), (int)TCPClient_Port_numericUD.Value);//连接服务端
client.SetName();
client.NetWork.GetStream().BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
lstClient.Add(client);
BindLstClient();
}
catch (Exception ex)
{
client.DisConnect();
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}