事物 MouseMotionListeners(MouseMotionListeners)
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create
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MouseMotionListener
The listener interface for receiving mouse motion events on a component. (For clicks and other mouse events, use the MouseListener.) |
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The listener interface for receiving mouse motion events on a component. (For clicks and other mouse events, use the MouseListener.)
The class that is interested in processing a mouse motion event either implements this interface (and all the methods it contains) or extends the abstract MouseMotionAdapter class (overriding only the methods of interest).
The listener object created from that class is then registered with a component using the component's addMouseMotionListener method. A mouse motion event is generated when the mouse is moved or dragged. (Many such events will be generated). When a mouse motion event occurs, the relevant method in the listener object is invoked, and the MouseEvent is passed to it.