C#阻止计算机关闭显示器和待机

一、测试

测试环境：Win10
备注：
1、管理员和非管理员权限测试都正常；
2、执行阻止关闭显示器和待机后，退出程序会自动恢复；
3、使用Win+L切换到锁屏界面时，同样生效；

二、代码

代码来源：
https://www.cnblogs.com/TianFang/archive/2012/10/12/2721883.html

public class SystemSleepAPI
{//定义API函数[DllImport("kernel32.dll")]static extern uint SetThreadExecutionState(ExecutionFlag flags);[Flags]enum ExecutionFlag : uint{System = 0x00000001,Display = 0x00000002,Continus = 0x80000000,}/// <summary>///阻止系统休眠，直到线程结束恢复休眠策略/// </summary>/// <param name="includeDisplay">是否阻止关闭显示器</param>public static void PreventSleep(bool includeDisplay = false){try{if (includeDisplay)SetThreadExecutionState(ExecutionFlag.System | ExecutionFlag.Display | ExecutionFlag.Continus);elseSetThreadExecutionState(ExecutionFlag.System | ExecutionFlag.Continus);}catch { }}/// <summary>///恢复系统休眠策略/// </summary>public static void ResotreSleep(){try { SetThreadExecutionState(ExecutionFlag.Continus); } catch { }}/// <summary>///重置系统休眠计时器/// </summary>/// <param name="includeDisplay">是否阻止关闭显示器</param>public static void ResetSleepTimer(bool includeDisplay = false){try{if (includeDisplay)SetThreadExecutionState(ExecutionFlag.System | ExecutionFlag.Display);elseSetThreadExecutionState(ExecutionFlag.System);}catch { }}
}