像Java这样的面向对象语言,都将事件的相关信息封装在一个事件对象(event object)中。 在Java中,所有的事件对象都最终派生于java.util.EventObject类。每个事件类型还有一个子类,例如,ActionEvent和WindowEvent。 不同的事件源可以产生不同类别的事件,例如,按钮可以发送一个ActionEvent对象,而窗口可以发送WindowEvent对象。
ActionEvent Class Package:java.awt An instance of theActionEventclass is passed to theActionListenerwhen an action event occurs. You can use this object to determine information about the event. Method You can use thegetSourcemethod to determine which component sourced the event when the listener is...
Methods declared in class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitField Details SHIFT_MASK public static final int SHIFT_MASK The shift modifier. An indicator that the shift key was held down during the event. See Also: Constant ...
问类不是抽象的，并且不覆盖抽象方法actionPerformed(ActionEvent)EN实际上，错误消息说明了一切。在您的示...
This class and its subclasses supercede the original java.awt.Event class. Subclasses of this root AWTEvent class defined outside of the java.awt.event package should define event ID values greater than the value defined by RESERVED_ID_MAX. The event masks defined in this class are needed by...
event.EventHandler import javafx.geometry.Pos import javafx.scene.effect.DropShadow import javaf执行...
06_事件模型_ActionEvent - 大小:21m 目录:01阶段_马士兵_JavaSE基础第11章_GUI 资源数量:1445,其他_java,01第一部分J2SE/01阶段_马士兵_JavaSE基础第11章_GUI/01_GUI_初步_Frame_and_Panel_1,01第一部分J2SE/01阶段_马士兵_JavaSE基础第11章_GUI/02_GUI_初步_Frame_and_P
Uses of Class oracle.javatools.ui.checklist.ContentActionEvent Packages that useContentActionEvent PackageDescription oracle.javatools.ui.checklist Uses ofContentActionEventinoracle.javatools.ui.checklist Methods inoracle.javatools.ui.checklistwith parameters of typeContentActionEvent ...
public voidaddListener(java.lang.String iidStr, java.lang.Object theListener, java.lang.Object theSource) throws java.io.IOException Overrides: addListenerin classcom.esri.arcgis.interop.Dispatch Throws: java.io.IOException removeListener public voidremoveListener(java.lang.String iidStr, java.lang.Obj...
Java <init>方法属于org.eclipse.che.ide.api.action.ActionEvent类。使用说明:创建新的动作事件。本文搜集整理了关于Java中org.eclipse.che.ide.api...