VB 2010 express and UDP comms via .NET socket

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VB

UDP

sockets

Hi
VB 2010 express question on socket data

I am trying to send and recieve data over ethernet on UDP, I have had some success but there is a data access niggly I just can't seem to get past and a variable definition I just don't understand.

1. What I don't understand

Dim BytesReceived As [Byte]()

What is this [byte]() type????? I have never seen this kind of constructor before, I am using it blindly!

2. Using the following to receive a string from the socket via UDP:-

Dim udpClientEvents As New Net.Sockets.UdpClient(54124)
Dim IPEndPoint As System.Net.IPEndPoint
Dim BytesReceived As [Byte]()

BytesReceived = udpClientEvents.Receive(IPEndPoint)
Form1.TextBox2.Text = BytesReceived.Length

When I debug I can see the data in the BytesReceived array and I can get the length, but how do I get my hands on the data within it????? maybe display it into a textbox to start, like the length.

Many thanks in advance for any help :)