#监听

e793. 监听JSpinner数据变化

//CreateanummberspinnerJSpinnerspinner=newJSpinner();//Addthelistenerspinner.addChangeListener(newSpinnerListener());//Changingthevalueprogrammaticallyalsofires...

e800. 监听JSlider的数值变化

//CreatehorizontalsliderJSliderslider=newJSlider();//Registerachangelistenerslider.addChangeListener(newChangeListener(){//Thismethodiscalledwhenevertheslider's...

e822. 监听JScrollPane的滚动

Ascrollbarinascrollpanefiresadjustmenteventswheneveritsvaluechanges.//CreateascrollabletextareaJTextAreatextArea=newJTextArea();JScrollPanepane=newJScrollPane(t...

e805. 监听JProgressBar的数值变化

Wheneverthevalueofaprogressbarischanged,achangeeventisfired.Infact,theeventisalsofiredwhentheminimumormaximumvaluesarechanged.However,theeventdoesnotspecifywhic...

e807. 设置进程监听对话框的延迟弹出

Bydefault,theprogressmonitordelaysforashortperiodbeforeitisdisplayed.Therearetwopropertiesthatcontrolwhenthedialogisdisplayed--millisToPopupandmillisToDecideToP...

e806. 创建进程监听对话框

Acommonfeatureofauserinterfaceistoshowaprogressdialogthatvisuallydisplaystheprogressofalong-runningtask.Thedialogautomaticallydisappearswhenthetaskisdone.ThePro...

e815. 监听当前选择的的菜单或菜单项

ThecurrentlyselectedmenuormenuiteminaJMenuorJPopupMenuistrackedbyMenuSelectionManager.Toreceivenotificationofchangestothecurrentlyselectedmenuormenuitem,achange...

e814. 创建一个可监听选择状态的菜单项

AmenuitemcanreceivenotificationofselectionchangesbyoverridingitsmenuSelectionChanged()method.Seealsoe808建立菜单栏,菜单,菜单项.JMenuItemitem=newJMenuItem("Label"){//Thism...

e784. 监听对JList选择变动

Whenthesetofselecteditemsischanged,eitherbytheuserorprogrammatically,alistselectioneventisfired.//CreatealistString[]items={"A","B","C","D"};JListlist=newJList(...

e783. 监听对JList中项双击和三击

//CreatealistString[]items={"A","B","C","D"};JListlist=newJList(items);//Addalistenerformouseclickslist.addMouseListener(newMouseAdapter(){publicvoidmouseClicke...

e785. 监听JList中项的变动

Whenthesetofitemsinalistcomponentischanged,alistdataeventisfired.//Createalistthatallowsaddsandremoves;//seee778在JList中加入和删除项//RegisteralistdatalistenerDefaultL...

ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务解决

问题:Oracle主服务和监听器服务已经启动,使用SQLPlus能够正常连接,使用PLSQLDeveloper连接报次错误:ORA-12514:TNS:监听程序当前无法识别连接描述符中请求的服务。如图: 解决:打开H:Oracleproduct11.2.0dbhome_1NETWORKADMIN(不同机器目录...

spring与activemq(三种消息监听方式)

       在Spring整合JMS的应用中我们在定义消息监听器的时候一共可以定义三种类型的消息监听器,分别是MessageListener、SessionAwareMessageListener和MessageListenerAdapter。下面...

javafx 监听选择变化(TabPane)

 editTab.getSelectionModel().selectedIndexProperty().addListener(evnt); javafx2.0监听树和表的选择变化Swing中的组件都有对应的选择模型(SelectionModel)和一些对应的方法(形如:add/removeSel...

利用JavaFx开发RIA桌面应用-事件监听

最近利用javaFX开发桌面客户端,碰到需要给各种UI控件添加事件监听,在这里做一个简单的小结,供日后参考。在Java GUI和Android中,事件通常通过实现listener的接口函数,并通过addXXXListener或者setOnXXXListener的形式来设置接口函数来实现事件的执行。因此Java...
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