English
- #pragma once
- #include <mmsystem.h>
- class __declspec(novtable) IVolume
- {
- public:
- virtual BOOL IsAvailable() = 0;
- virtual void Enable() = 0;
- virtual void Disable() = 0;
- virtual DWORD GetVolumeMetric() = 0;
- virtual DWORD GetMinimalVolume() = 0;
- virtual DWORD GetMaximalVolume() = 0;
- virtual DWORD GetCurrentVolume() = 0;
- virtual void SetCurrentVolume( DWORD dwValue ) = 0;
- };
