#ifndef _NTTP_H
#if (PHNT_VERSION >= PHNT_WINDOWS_8)
// winbase:SetThreadpoolTimerEx
NTSYSAPI
NTSTATUS
NTAPI
TpSetTimerEx(
_Inout_ PTP_TIMER Timer,
_In_opt_ PLARGE_INTEGER DueTime,
_In_ ULONG Period,
_In_opt_ ULONG WindowLength
);
View code on GitHubSets the timer object, replacing the previous timer, if any. A worker thread calls the timer object's callback after the specified timeout expires.
SetThreadpoolTimerEx maps directly to this function.