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I do the same thing in my programs. You will need an array of WinSocks, not just one. A WinSock can only service one port number at a time. In the WinSocks's DataArrival event, you can then use the Index parameter to decide what to do with the data.
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Hi <br />
<br />
Thanks for your reply <br />
<br />
Can you please explain this &nbsp;, as we are still not able to do so , even after doing control array <br />

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Hi <br />
We are using Winsock control to connect to external program whose &nbsp;ip address let’s say 192.168.1.1<br />
Now we need to talk with that control on port 25000 <br />
This is fine as we are connected to the same port <br />
<br />
&nbsp; &nbsp; TCPClient.RemoteHost = &quot;192.168.1.1&quot; <br />
&nbsp; &nbsp; TCPClient.RemotePort = 25000 <br />
&nbsp; &nbsp;TCPClient.Connect<br />
<br />
But at the same time external programmer is broadcasting some messages on port 25001 , how can we listen to that port ( we don’t need to send data to this port only listen ) using the same winsock or there is any other method.<br />

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Hi 
We are using Winsock control to connect to external program whose  ip address let’s say 192.168.1.1
Now we need to talk with that control on port 25000 
This is fine as we are connected to the same port 

    TCPClient.RemoteHost = "192.168.1.1" 
    TCPClient.RemotePort = 25000 
   TCPClient.Connect

But at the same time external programmer is broadcasting some messages on port 25001 , how can we listen to that port ( we don’t need to send data to this port only listen ) using the same winsock or there is any other method.


Win sock connect with multiple port

Visual Basic is Microsoft’s event-driven programming language and integrated development environment (IDE) for its Component Object Model (COM) programming model. It is relatively easy to learn and use because of its graphical development features and BASIC heritage. It has been replaced with VB.NET, and is very similar to VBA (Visual Basic for Applications), the programming language for the Microsoft Office product line.