Module java.desktop

Package java.awt.desktop

Class AppForegroundEvent

java.lang.Object

java.util.EventObject

java.awt.desktop.AppEvent

java.awt.desktop.AppForegroundEvent

所有已实现的接口:

Serializable

       public final class AppForegroundEvent extends AppEvent
      

应用程序成为前台应用程序时发送的事件，以及应用程序不再是前台应用程序时发送的事件。

自从:

9

参见:

• AppForegroundListener.appRaisedToForeground(AppForegroundEvent)
• AppForegroundListener.appMovedToBackground(AppForegroundEvent)
• 序列化形式

Field Summary

Fields declared in class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
AppForegroundEvent()	构造一个AppForegroundEvent。

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

AppForegroundEvent

             public AppForegroundEvent()
            

构造一个AppForegroundEvent。

抛出:

HeadlessException - 如果GraphicsEnvironment.isHeadless()返回true

UnsupportedOperationException - 如果当前平台不支持桌面API

参见:

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