C# :: PictureBox To Memory Stream In Socket?

I Was Try To Change PictureBox To The Memory Stream And Then I Read Memory Stream Bytes And I Send Over The Netwrok Here Is Code

MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); // we save the image in side the Memory strem
byte[] pic_array = new byte[ms.Length];
ms.Position = 0;
ms.Read(pic_array, 0, pic_array.Length); //

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but when i want get the Data o mean Bytes from Network tream How can i save in memory stream then dispaly in the picture box ? i try some thing but it is gave me error !

Socket handlerSocket = (Socket)alSockets[alSockets.Count - 1];
NetworkStream networkStream = new
NetworkStream(handlerSocket);
int thisRead = 0;
int blockSize = 1024;

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