D:/source/c++/Programme/sally/sally/sallyAPI/VolumeNotification.h

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#pragma once
#include "define.h"
#include <ddraw.h>
#include <strmif.h>
#include <endpointvolume.h>

namespace SallyAPI
{
        namespace Sound
        {
                namespace Volume
                {

                        class DLL_API_SALLY CVolumeNotification
                                : public IAudioEndpointVolumeCallback 
                        {
                        private:
                                LONG    m_RefCount; 
                        public: 
                                CVolumeNotification();
                                ~CVolumeNotification();

                                STDMETHODIMP_(ULONG)    AddRef();
                                STDMETHODIMP_(ULONG)    Release();
                                STDMETHODIMP QueryInterface(REFIID IID, void **ReturnValue);
                                STDMETHODIMP OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA NotificationData);
                        };
                }
        }
}