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");
  }
}