To acess the mic port on the motherboard

i m building a lan chatting softwere. i got stuck in the problem to acess mic port on the motherboard. please help me out of this problem.thanx

There is not really a "mic port on the motherboard". It's part of the soundcard, and it's AFAIK represented by the soundcard's "recording device" driver. Did you ever have a look at JMF?

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