Setwaitabletimer

[DllImport("Kernel32.dll", SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWaitableTimer(IntPtr hTimer,
   [In] ref LARGE_INTEGER pDueTime,
   int lPeriod,
   TimerAPCProc pfnCompletionRoutine,
   IntPtr lpArgToCompletionRoutine,
   [MarshalAs(UnmanagedType.Bool)] bool fResume
);

Microsoft documentation: Link