internal static unsafe partial uint PerfSetCounterRefValue(
     SafePerfProviderHandle hProvider,
     PerfCounterSetInstanceStruct *pInstance,
     uint CounterId,
     void *lpAddr
     );
 internal static extern unsafe uint PerfSetCounterRefValue([In] SafePerfProviderHandle hProvider, [In] PerfCounterSetInstanceStruct *pInstance, [In] uint CounterId, [In] void *lpAddr);
 internal static unsafe partial uint PerfDeleteInstance(
     SafePerfProviderHandle hProvider,
     PerfCounterSetInstanceStruct *InstanceBlock
     );
 internal static extern unsafe uint PerfDeleteInstance([In] SafePerfProviderHandle hProvider, [In] PerfCounterSetInstanceStruct *InstanceBlock);