Thanks for your suggestion, I have thought about that, but was hoping for some property/function similar to the Serial RX/TX flush. I had thought that there would be one but have been unable to locate such a mechanism.
There is no specific method for flushing the buffer in LabVIEW. However, you can get this behavior by doing a TCP read with the Mode set to immediate. This will return all data currently available (which could then be ignored) and clear out the read buffer.
Thanks for the additional info. Since the app is time sensitive, I am experimenting with TCP read with controlled timeout. Thanks all again for the suggestions.