protected virtual void OnClientDisconnected(TCPConnection Connection)
 {
 }
 /// <summary>
 /// Called when a client disconnects from the server, and invokes the OnClientDisconnected method.
 /// </summary>
 /// <param name="Connection">The TCPConnection instance disconnecting from the server.</param>
 internal void RaiseClientDisconnected(TCPConnection Connection)
 {
     OnClientDisconnected(Connection);
 }