C#

/// <summary><br />
/// Tell the stream to recieve data<br />
/// </summary><br />
private void Receive(){<br />
  _Stream.BeginRead(_Buffer, _Offset, _Count, new AsyncCallback( RecieveCallBack ), _Stream);<br />
}<br />
		<br />
/// <summary><br />
/// The steam has received data<br />
/// </summary><br />
/// <param name="asyncResult"></param><br />
private void RecieveCallBack( IAsyncResult asyncResult ){<br />
	try{<br />
		int _ReceivedBytes;<br />
		_ReceivedBytes =  _Stream.EndRead( asyncResult); <br />
		if( _RecievedBytes > 0 )<br />
		{<br />
			string data = System.Text.Encoding.UTF8.GetString( _Buffer, _Offset, _RecievedBytes);<br />
			<br />
			//Lets pass the data on to the OnRecive event<br />
			FireOnReceive(data);<br />
			// Call recieve to setup the beginread<br />
			if ( IsConnected )<br />
				Receive();<br />
		}<br />
	} catch(ObjectDisposedException) {<br />
		// The object is already Disposed<br />
		// there is nothging more to do<br />
		return;<br />
	} catch(System.IO.IOException e) {<br />
		FireOnError( new ConnectionException(e.Message , ConnectionErrorType.ReceiveError ) );<br />
		}<br />
}

Stream stream = File.Open(filename, FileMode.Create);
BinaryFormatter bFormatter = new BinaryFormatter();
// serialize some stuff
stream.Close();