Recording audio file application

hi...
I am having a Dialog based application with
one edit box to get the filepath of a wav file that is to be played.
the file path i can get through one button called browse.when i click on browse a dialog will be opened with th wav files that are present on my computer.by select it and when click on play it start playing the wav file.
upto here i did good.
the real problem is what
i am having 2 more buttons for record and record stop.
when i click on record button the file that is palying(when i click on play boutton)
that should start recording to a slice time and it should be save in my computer when i click on stop button.
playing should be done still the application gets closed.
can any one help me with an example for my problem