41 lines
1.5 KiB
C#
41 lines
1.5 KiB
C#
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using System;
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using System.ComponentModel;
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using System.Runtime.InteropServices;
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using System.Threading;
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using MediaBrowser.Controller.Power;
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using Microsoft.Win32.SafeHandles;
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namespace MediaBrowser.ServerApplication.Native
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{
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public class WindowsPowerManagement : IPowerManagement
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{
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[DllImport("kernel32.dll")]
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public static extern SafeWaitHandle CreateWaitableTimer(IntPtr lpTimerAttributes, bool bManualReset, string lpTimerName);
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[DllImport("kernel32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool SetWaitableTimer(SafeWaitHandle hTimer, [In] ref long pDueTime, int lPeriod, IntPtr pfnCompletionRoutine, IntPtr lpArgToCompletionRoutine, bool fResume);
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public void ScheduleWake(DateTime utcTime)
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{
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long duetime = utcTime.ToFileTime();
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using (SafeWaitHandle handle = CreateWaitableTimer(IntPtr.Zero, true, "MyWaitabletimer"))
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{
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if (SetWaitableTimer(handle, ref duetime, 0, IntPtr.Zero, IntPtr.Zero, true))
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{
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using (EventWaitHandle wh = new EventWaitHandle(false, EventResetMode.AutoReset))
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{
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wh.SafeWaitHandle = handle;
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wh.WaitOne();
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}
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}
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else
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{
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throw new Win32Exception(Marshal.GetLastWin32Error());
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}
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}
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}
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}
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}
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