private void SendMessage(NetworkMessage message, bool useEncryption)
{
if (useEncryption)
message.PrepareToSend(xteaKey);
else
message.PrepareToSendWithoutEncryption();
try
{
stream.BeginWrite(message.Buffer, 0, message.Length, null, null);
}
catch (ObjectDisposedException)
{
Close();
}
}