하드디스크 절전 모드 전환 시간 설정하기

void TestFunc()
{
MYGetActivePwrScheme pFunc1 = NULL;
MYGetCurrentPowerPolicies pFunc2 = NULL;
MYSetActivePwrScheme pFunc3 = NULL;

HINSTANCE hInstance = NULL;

hInstance = LoadLibrary( "powrprof" );
if( hInstance )
{
pFunc1 = (MYGetActivePwrScheme)GetProcAddress( hInstance, "GetActivePwrScheme" );
if( pFunc1 == NULL )
{
TRACE("GetActivePwrScheme Fail");
ERROR_ROUTINE( hInstance );
}

pFunc2 = (MYGetCurrentPowerPolicies)GetProcAddress( hInstance, "GetCurrentPowerPolicies" );
if( pFunc2 == NULL )
{
TRACE("GetCurrentPowerPolicies Fail");
ERROR_ROUTINE( hInstance );
}

pFunc3 = (MYSetActivePwrScheme)GetProcAddress( hInstance, "SetActivePwrScheme" );
if( pFunc3 == NULL )
{
TRACE("SetActivePwrScheme Fail");
ERROR_ROUTINE( hInstance );
}

UINT uiActivePwrSchIndex;
GLOBAL_POWER_POLICY stGlobalPwrPly;
POWER_POLICY stPwrPly;

if( ((pFunc1)( &uiActivePwrSchIndex )) == 0 )
{
TRACE("Call GetActivePwrScheme Error");
ERROR_ROUTINE( hInstance );

}

if( ((pFunc2)( &stGlobalPwrPly, &stPwrPly )) == 0 )
{
TRACE("Call GetCurrentPowerPolicies Error");
ERROR_ROUTINE( hInstance );
}

// Set SpinDown Timeout value (하드디스크 절전 모드 전환 시간, 단위 초)
stPwrPly.user.SpindownTimeoutAc = 600;

// Set Idle Timeout value (시스템 대기 모드 해제)
// stPwrPly.user.IdleTimeoutAc = 0;

if( ((pFunc3)( uiActivePwrSchIndex, &stGlobalPwrPly, &stPwrPly )) == 0 )
{
TRACE("Call SetActivePwrScheme Error");
ERROR_ROUTINE( hInstance );
}

TRACE("SUCCESS");
FreeLibrary( hInstance );
hInstance = NULL;

}
else
{
TRACE("Load library error");
}
}