Fix Windows 11 Timer Resolution

WindowsHelper.cs

public static class WindowsHelper()
{
    public static void FixTimerResolution()
    {
        var handle = Process.GetCurrentProcess().Handle;

        var info = new PROCESS_POWER_THROTTLING_STATE
        {
            Version = PROCESS_POWER_THROTTLING_CURRENT_VERSION,
            ControlMask = PROCESS_POWER_THROTTLING_IGNORE_TIMER_RESOLUTION,
            StateMask = 0
        };

        var infoSize = Marshal.SizeOf(info);
        var infoPtr = Marshal.AllocHGlobal(infoSize);
        Marshal.StructureToPtr(info, infoPtr, false);

        SetProcessInformation(handle, PROCESS_INFORMATION_CLASS.ProcessPowerThrottling, infoPtr, infoSize);
        Marshal.FreeHGlobal(infoPtr);
    }
    
    [DllImport("kernel32.dll"), SuppressUnmanagedCodeSecurity]
    private static extern bool SetProcessInformation(IntPtr hProcess, PROCESS_INFORMATION_CLASS ProcessInformationClass, IntPtr ProcessInformation, int ProcessInformationSize);

    private enum PROCESS_INFORMATION_CLASS
    {
        ProcessMemoryPriority,
        ProcessMemoryExhaustionInfo,
        ProcessAppMemoryInfo,
        ProcessInPrivateInfo,
        ProcessPowerThrottling,
        ProcessReservedValue1,
        ProcessTelemetryCoverageInfo,
        ProcessProtectionLevelInfo,
        ProcessLeapSecondInfo,
        ProcessMachineTypeInfo,
        ProcessInformationClassMax
    };

    [StructLayout(LayoutKind.Sequential)]
    private struct PROCESS_POWER_THROTTLING_STATE
    {
        public int Version;
        public int ControlMask;
        public int StateMask;
    };

    private const int PROCESS_POWER_THROTTLING_CURRENT_VERSION = 1;
    private const int PROCESS_POWER_THROTTLING_IGNORE_TIMER_RESOLUTION = 0x4;
}