I need c++ class, it can control select sound card, sound volume and microphone volume in vista or window 7. you may refer [url removed, login to view], it may help. 1. Use vs 2003 or vs 2005 c++ to create class(you cannot use another visual studio version), the class will have following features get the number of sound card installed allow select specific sound card get the currrent microphone volume set the current microphone value (if you open the control panel -sound and set the microphone value in your sample application, , the microphone value will change too, please see attached [url removed, login to view] ) get the current microphone's L and R balance value set the current microphone 's L and R balance value get the current speaker's sound volume value set the current speaker's sound volume value (if you open the control panel -sound and set the sound volume value in your sample application, , the speaker value will change too, please see attached [url removed, login to view] ) get the current speaker's L and R balance value set the current speakers 's L and R balance value if the class running on win xp, it will not crash. 2. Use vs 2003 or vs 2005 to create sample application to demo how to use the sound volume and microphone volume class and show the features.
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window vista, window 7