private void ChatBT_Send_Click(object sender, EventArgs e)
{
string msg = ClintRTB_snd.Text;
if (msg == "")
{
MessageBox.Show("消息不能为空！");
return;
}
ClintRTB_snd.Text = "";
ClientRTB_msg.AppendText("你 ： " + msg + "\r\n");
sendMessage(msg);
}
private void ReadComplete(IAsyncResult ar)
{
int bytesRead;
try
{
lock (streamToServer)
{
bytesRead = streamToServer.EndRead(ar);
}
if (bytesRead == 0)
{
throw new Exception("读取到0字节");
}
string msg = Encoding.Unicode.GetString(buffer, 0, bytesRead);
if (msg.Substring(0, 3) == "$$$")
{
readLists(msg);
}
else
{
ClientRTB_msg.AppendText(msg);
}
Array.Clear(buffer, 0, buffer.Length); // 清空缓存，避免脏读
lock (streamToServer)
{
AsyncCallback callBack = new AsyncCallback(ReadComplete);
streamToServer.BeginRead(buffer, 0, BufferSize, callBack, null);
}
}
catch (Exception ex)
{
if (streamToServer != null)
{
streamToServer.Dispose();
}
Client.Close();
Console.WriteLine(ex.Message);
}
}