c++ sound volume

I need c++ class, it can control select sound card, sound volume and microphone volume in vista or window 7. you may refer [login to view URL], 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 [login to view URL] ) 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 [login to view URL] ) 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. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). 2) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 3) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Employer's environment--Deliverables must be installed by the Worker in ready-to-run condition in the Employer's environment. b) For all others including desktop software or software the employer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this project. ## Platform window vista, window 7