Undocumented functions of NTDLL

2OO1, 7 January



NtQueryTimer
NtQueryTimer

NTSYSAPI 
NTSTATUS
NTAPI

NtQueryTimer(


  IN HANDLE               TimerHandle,
  IN TIMER_INFORMATION_CLASS TimerInformationClass,
  OUT PVOID               TimerInformation,
  IN ULONG                TimerInformationLength,
  OUT PULONG              ReturnLength OPTIONAL );



  • TimerHandle
    •     HANDLE to Timer Object opened with TIMER_QUERY_STATE access.
  • TimerInformationClass
    •     Information class. See TIMER_INFORMATION_CLASS for details.
  • TimerInformation
    •     User's allocated buffer for result data.
  • TimerInformationLength
    •     Length of TimerInformation buffer, in bytes.
  • ReturnLength
    •     Optional pointer to value received used/required length of TimerInformation buffer.


    Documented by:
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    NtCreateTimer
    NtOpenTimer
    TIMER_INFORMATION_CLASS