public static extern UIntPtr SetCoalescableTimer(HWND hWnd, UIntPtr nIDEvent, uint uElapse, Timerproc lpTimerFunc, uint uToleranceDelay);
public static extern IntPtr SetTimer([Optional] HWND hWnd, [Optional] IntPtr nIDEvent, [Optional] uint uElapse, [Optional] Timerproc lpTimerFunc);
