Module java.desktop

Package java.awt.dnd

Class DropTargetEvent

java.lang.Object

java.util.EventObject

java.awt.dnd.DropTargetEvent

所有已实现的接口:

Serializable

直接已知的子类:

DropTargetDragEvent, DropTargetDropEvent

       public class DropTargetEvent extends EventObject
      

DropTargetEvent是DropTargetDragEvent和DropTargetDropEvent的基类。它封装了当前拖放操作的状态，特别是当前的DropTargetContext。

自版本:

1.2

参见:

• 序列化形式

Field Summary

Fields

Modifier and Type	Field	Description
protected DropTargetContext	context	与此DropTargetEvent相关联的DropTargetContext。

Fields declared in class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
DropTargetEvent(DropTargetContext dtc)	用指定的DropTargetContext构造一个DropTargetEvent对象。

Method Summary

Modifier and Type	Method	Description
DropTargetContext	getDropTargetContext()	此方法返回与此DropTargetEvent相关联的DropTargetContext。

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

Field Details

context

             protected DropTargetContext context
            

与此DropTargetEvent相关联的DropTargetContext。

Constructor Details

DropTargetEvent

             public DropTargetEvent(DropTargetContext dtc)
            

用指定的DropTargetContext构造一个DropTargetEvent对象。

参数:

dtc - DropTargetContext

抛出:

NullPointerException - 如果dtc等于null。

参见:

• EventObject.getSource()
• getDropTargetContext()

Method Details

getDropTargetContext

             public DropTargetContext getDropTargetContext()
            

此方法返回与此DropTargetEvent相关联的DropTargetContext。

返回:

DropTargetContext