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48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace MediaBrowser.ServerApplication.Native
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{
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/// <summary>
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/// Class NativeApp
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/// </summary>
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public static class Standby
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{
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public static void PreventSleepAndMonitorOff()
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{
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NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS | NativeMethods.ES_SYSTEM_REQUIRED | NativeMethods.ES_DISPLAY_REQUIRED);
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}
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public static void PreventSleep()
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{
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NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS | NativeMethods.ES_SYSTEM_REQUIRED);
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}
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// Clear EXECUTION_STATE flags to allow the system to sleep and turn off monitor normally
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public static void AllowSleep()
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{
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NativeMethods.SetThreadExecutionState(NativeMethods.ES_CONTINUOUS);
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}
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internal static class NativeMethods
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{
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// Import SetThreadExecutionState Win32 API and necessary flags
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[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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public static extern uint SetThreadExecutionState(uint esFlags);
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public const uint ES_CONTINUOUS = 0x80000000;
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public const uint ES_SYSTEM_REQUIRED = 0x00000001;
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public const uint ES_DISPLAY_REQUIRED = 0x00000002;
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}
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[Flags]
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internal enum EXECUTION_STATE : uint
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{
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ES_NONE = 0,
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ES_SYSTEM_REQUIRED = 0x00000001,
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ES_DISPLAY_REQUIRED = 0x00000002,
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ES_USER_PRESENT = 0x00000004,
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ES_AWAYMODE_REQUIRED = 0x00000040,
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ES_CONTINUOUS = 0x80000000
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}
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}
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}
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