WinStationQueryInformationW

#ifndef _WINSTA_H

NTSYSAPI
BOOLEAN
NTAPI
WinStationQueryInformationW(
    _In_opt_ HANDLE ServerHandle,
    _In_ ULONG SessionId,
    _In_ WINSTATIONINFOCLASS WinStationInformationClass,
    _Out_writes_bytes_(WinStationInformationLength) PVOID pWinStationInformation,
    _In_ ULONG WinStationInformationLength,
    _Out_ PULONG pReturnLength
    );

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