Module java.desktop

Package java.awt.desktop

Class SystemSleepEvent

java.lang.Object

java.util.EventObject

java.awt.desktop.AppEvent

java.awt.desktop.SystemSleepEvent

所有已实现的接口:

Serializable

       public final class SystemSleepEvent extends AppEvent
      

系统进入和退出省电睡眠时发送的事件。

自 JDK 版本:

9

参见:

• SystemSleepListener.systemAboutToSleep(SystemSleepEvent)
• SystemSleepListener.systemAwoke(SystemSleepEvent)
• 序列化形式

Field Summary

Fields declared in class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
SystemSleepEvent()	构造一个 SystemSleepEvent。

Method Summary

Methods declared in class java.util.EventObject

getSource, toString

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

SystemSleepEvent

             public SystemSleepEvent()
            

构造一个 SystemSleepEvent。

抛出:

HeadlessException - 如果 GraphicsEnvironment.isHeadless() 返回 true

UnsupportedOperationException - 如果当前平台不支持 Desktop API

参见:

• Desktop.isDesktopSupported()
• GraphicsEnvironment.isHeadless()