There are a lot of changes in Vista and Windows 7 in comparison with Windows XP, especially in programming field. Many code snippet which works perfectly, does not run under Vista/Windows 7 anymore, for example adjusting master volume. If you have already worked with master volume in Windows XP, maybe you use MixerControl for accessing system volume with following API.
- mixerClose
- mixerGetControlDetailsA
- mixerGetDevCapsA
- mixerGetID
- mixerGetLineControlsA
- mixerGetLineInfoA
- mixerGetNumDevs
- mixerMessage
- mixerOpen
- mixerSetControlDetails
Under Vista/Windows 7, we can not …