how to get system unique id using vc++ code?

Question

I'm new to vc++ language so I want to get system unique id using vc++ language. so please can anybody help me in coding how to get system unique id?

Answer 1

You want to look at CoCreateGuid (http://msdn.microsoft.com/en-us/library/ms688568(VS.85).aspx).

Answer 2

Why not use the MAC address from the network card. This should be unique but will change if your change the network card.

See the api GetAdaptersInfo. reference http://msdn.microsoft.com/en-us/library/aa365917(VS.85).aspx