void GetNewMessage()
{
readingData = null;
ClientHandler.BeginReceive(buffer, 0, SocketListenerConnection.BufferSize, 0,
new AsyncCallback(ReadCallback), this);
}
void GetMoreData()
{
ClientHandler.BeginReceive(buffer, 0, SocketListenerConnection.BufferSize, 0,
new AsyncCallback(ReadCallback), this);
}