48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace BizHawk.Client.EmuHawk
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{
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// Derived from http://www.codeproject.com/KB/cs/ScreenSaverControl.aspx
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public static class ScreenSaver
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{
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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private static extern bool SystemParametersInfo(int uAction, int uParam, ref int lpvParam, int flags);
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private const int SPI_GETSCREENSAVERTIMEOUT = 14;
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private const int SPI_SETSCREENSAVERTIMEOUT = 15;
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private const int SPIF_SENDWININICHANGE = 2;
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public static void ResetTimerImmediate()
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{
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SetScreenSaverTimeout(GetScreenSaverTimeout());
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}
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private static int ctr;
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public static void ResetTimerPeriodically()
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{
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ctr++;
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if (ctr == 120)
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{
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SetScreenSaverTimeout(GetScreenSaverTimeout());
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ctr = 0;
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}
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}
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// Returns the screen saver timeout setting, in seconds
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private static Int32 GetScreenSaverTimeout()
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{
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Int32 value = 0;
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SystemParametersInfo(SPI_GETSCREENSAVERTIMEOUT, 0, ref value, 0);
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return value;
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}
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// Pass in the number of seconds to set the screen saver timeout value.
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private static void SetScreenSaverTimeout(Int32 Value)
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{
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int nullVar = 0;
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SystemParametersInfo(SPI_SETSCREENSAVERTIMEOUT, Value, ref nullVar, SPIF_SENDWININICHANGE);
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}
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}
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}
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