winpcap - Broadcast a UDP message in LAN with fake source IP with delphi -

I want to broadcast an UDP message with fake source IP (spoofing) in my LAN 1. Winpcap Enabled? 2. WinXp, do this work on win7? 3. I am using Delphi, is there a good component available?

Thank you.

Yes, you can do it with winpcap. It should work on Windows 7 (though you may have to get a beta version of it). All I can find in Delphi is to:

I do not know how winpcap works with the latest version, I seriously consider it as C or C ++ I want to