receivefrom socket class

[Dan Rice]

Hello,

Im trying to get the following working but it doesn't seem
to receive anything. I have got the UdpClient class to
receive data but unreliably and was told to use the Socket
class directly. Here's the code:

Dim lep As New IPEndPoint(IPAddress.Any, 0)

Dim s As New Socket(AddressFamily.InterNetwork,
SocketType.Dgram, ProtocolType.Udp)

s.Bind(New IPEndPoint(IPAddress.Any, 0))

Dim buffer(1024) As Byte
s.ReceiveFrom(buffer, lep)
It blocks on the ReceiveFrom call as expected but doesn't
ever get past here so i guess it's not receiving anything.
I've got the code in the form_load sub in a basic .NET
windows app.

Any ideas why this wouldn't work?

Thanks.