WinStationGetTermSrvCountersValue - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _WINSTA_H

// rev
BOOLEAN
WINAPI
WinStationGetTermSrvCountersValue(
    _In_opt_ HANDLE ServerHandle,
    _In_ ULONG Count,
    _Inout_ PTS_COUNTER Counters // set counter IDs before calling
    );

#endif

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This function is a wrapper over an RPC method documented in the [MS-TSTS] specification.