"Tull Clancey" wrote:

> Hi, I'm currently trying to write an app to send data to an RF portable,
> 102.11b.
>
> I've found some samples, I think they came from Microsoft some time ago.  I
> have a simple server and client application, I've modified the client app to
> run on the portable, which it does, but the portable hangs for around 12
> seconds before any TCP connection is made.  If I run the same code on a PC
> the connection is instant.
>
> The app appears to hang here....
>
> Client = New TcpClient("192.168.50.2", PORT_NUM)
> Client.GetStream.BeginRead(ReadBuffer, 0, READ_BUFFER_SIZE, AddressOf
> DoRead, Nothing)
>
> DoRead is the incomming data routine.
>
> Sending data back and forth is instant, there are no problems there, it's
> just the time it takes to connect that is the problem.  I can't open the
> connection when the application starts as users may be roaming out of radio
> reception causing all sorts of connection problems.
>
> I need to open the connection, send data, receive data, then close the
> connection.
>
> Can anyone help with the speed issue?
>
> Cheers,
> Tull.
>
>
>