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);