c#程序在锁屏后如何能够保持运行

[iubgjb]

我有个笔记本原配的程序，能够在锁屏以后依然运行，发出警报，怎么能够让程序做到这样的效果？

[Jia_H]

程序不停就可以一直运行呀，和锁屏没有关系的。

[o光o]

电脑锁屏后程序会继续运行，但是电脑待机后就停止了，写上防待机的代码就行


/// <summary>
/// This function resets a system timer that controls whether or not the
/// device will automatically go into a suspended state.
/// </summary>
[DllImport("CoreDll.dll")]
public static extern void SystemIdleTimerReset();

private static int nDisableSleepCalls = 0;
private static System.Threading.Timer preventSleepTimer = null;

//禁止待机
public static void DisableDeviceSleep()
{
nDisableSleepCalls++;
if (nDisableSleepCalls == 1)
{
Debug.Assert(preventSleepTimer == null);
// start a 30-second periodic timer
preventSleepTimer = new System.Threading.Timer(new TimerCallback(PokeDeviceToKeepAwake),
null, 0, 30 * 1000);
}
}
//允许待机
public static void EnableDeviceSleep()
{
nDisableSleepCalls--;
if (nDisableSleepCalls == 0)
{
Debug.Assert(preventSleepTimer != null);
if (preventSleepTimer != null)
{
preventSleepTimer.Dispose();
preventSleepTimer = null;
}
}
}

private static void PokeDeviceToKeepAwake(object extra)
{
try
{
PlatformUtil.SystemIdleTimerReset();
}
catch (Exception e)
{
// TODO
}
}