private void ReceiveHandle()
{
//接收数据处理线程
string msg;
byte[] data = new byte[1024];
Control.CheckForIllegalCrossThreadCalls = false; //跨线程调用控件
while (RunningFlag)
{
try
{
if (mySocket == null || mySocket.Available < 1)
{
continue;
}
int rlen = mySocket.ReceiveFrom(data, ref RemotePoint);
msg = Encoding.Default.GetString(data, 0, rlen);
string seversay = HexToAscii.AsciiToHex(msg);
seversay = Regex.Replace(seversay, @"(\d{2}(?!$))", "$1 ");
rtxChatInfo.AppendText(DateTime.Now.ToString());
rtxChatInfo.AppendText(" 服务器说:\n");
rtxChatInfo.AppendText(seversay + " " + "[" + rlen + "]" + "\n");
//下拉框
rtxChatInfo.SelectionStart = rtxChatInfo.Text.Length;
rtxChatInfo.Focus();
rtxSendMessage.Focus();
}
catch
{
//MessageBox.Show("远程主机无响应");
}
}
}
public void SendMessage()
{
try
{
if (rtxSendMessage.Text.Trim() != "") // 发送消息不为空
{
byte[] data = HexToAscii.HexToAsci(rtxSendMessage.Text);
if (data != null)
{
//得到客户机IP
IPEndPoint ipep = new IPEndPoint(getValidIP(txtServerIp.Text), getValidPort(txtPort.Text));
RemotePoint = (EndPoint)(ipep);
mySocket.SendTo(data, data.Length, SocketFlags.None, RemotePoint);
rtxChatInfo.AppendText(DateTime.Now.ToString()); // 显示框 rtxChatInfo
rtxChatInfo.AppendText(" 客户端说: \n");
rtxChatInfo.AppendText(rtxSendMessage.Text + "\n");
//rtxSendMessage.Clear();
}
//下拉框
rtxChatInfo.SelectionStart = rtxChatInfo.Text.Length;
rtxChatInfo.Focus();
rtxSendMessage.Focus();
}
else
{
MessageBox.Show("信息不能为空!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtServerIp.Focus();
return;
}
}
catch
{
txtServerIp.Enabled = true;
btnConnect.Enabled = true;
MessageBox.Show("服务器连失败!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Text = "连接失败……";
return;
}
}
