C♯相談室 Part19

>>403 遅れましたがありがとうございます

private static int TimerID;
private static uint TimerDiff;
private struct TIMECAPS
{
    public uint wPeriodMin;
    public uint wPeriodMax;
}

private delegate bool TimeProcDelegate(int uID, int uMsg, int dwUser, int dw1, int dw2);
[DllImport("winmm.dll")] private static extern void timeBeginPeriod(uint x);
[DllImport("winmm.dll")] private static extern int timeGetDevCaps(ref TIMECAPS lpTimeCaps, int uSize);
[DllImport("winmm.dll")] private static extern int timeSetEvent(uint uDelay, uint uResolution, TimeProcDelegate lpFunction, int dwUser, int uFlags);

public static void Test()
{
    TIMECAPS tc = new TIMECAPS();
    timeGetDevCaps(ref tc, Marshal.SizeOf(tc));
    TimerDiff = Math.Min(Math.Max(tc.wPeriodMin, 5), tc.wPeriodMax);
    timeBeginPeriod(TimerDiff);
    TimeProcDelegate tpd = new TimeProcDelegate(Timer);
    TimerID = timeSetEvent(5, TimerDiff, tpd, 0, 0); // TIME_ONESHOT = 0 1回だけ呼ぶ
}
private static bool Timer(int uID, int uMsg, int dwUser, int dw1, int dw2)
{
    TimeProcDelegate tpd = new TimeProcDelegate(Timer);
    TimerID = timeSetEvent(5, TimerDiff, tpd, 0, 0); // TIME_ONESHOT = 0 1回だけ呼ぶ
    return true;
}