#ifndef SHADOWCOPY_H
#define SHADOWCOPY_H

#ifdef SHADOWDLL_EXPORTS
#define SHADOWDLL_API extern "C" __declspec(dllexport)
#else
#define SHADOWDLL_API extern "C" __declspec(dllimport)
#endif


namespace shadow
{
    //COM needs to be initialized before calling any of these functions! CoInitializeEx/CoUninitialize


    //volumeName must end with "\", while shadowVolName does not end with "\"
    SHADOWDLL_API
    bool createShadowCopy(const wchar_t* volumeName,
                          wchar_t*		 shadowVolName,
                          unsigned int   shadowBufferLen,
                          void**		 backupHandle,
                          wchar_t*		 errorMessage,
                          unsigned int	 errorBufferLen);


    //don't forget to release the backupHandle after shadow copy is not needed anymore!
    SHADOWDLL_API
    void releaseShadowCopy(void* backupHandle);
}



#endif //SHADOWCOPY_H