// app16_9, 以MouseMotionListener接口處理MouseEvent事件
import java.awt.*;
import java.awt.event.*;
public class app16_9 extends Frame implements MouseMotionListener
{
   static app16_9 frm=new app16_9();
   static Label labx=new Label();
   static Label laby=new Label();
   static Label lab=new Label();   
   public static void main(String agrs[])
   {            
      frm.setLayout(null);
      frm.addMouseMotionListener(frm); // 設(shè)置frm為事件本身的聆聽者
      labx.setBounds(40,40,40,20);
      laby.setBounds(100,40,40,20);
      lab.setBounds(40,80,100,40);
      frm.setSize(200,150);
      frm.setTitle("Mouse Event"); 
      frm.add(labx);
      frm.add(laby);
      frm.add(lab);      
      frm.setVisible(true);      
   }
   public void mouseMoved(MouseEvent e)  // 當(dāng)鼠標(biāo)移開時(shí)
   {                  
      labx.setText("x="+e.getX());   // 顯示X坐標(biāo)
      laby.setText("y="+e.getY());   // 顯示Y坐標(biāo)
      lab.setText("Mouse Moved!!");  // 顯示"Mouse Moved!!"字符串
   }
   public void mouseDragged(MouseEvent e)  // 當(dāng)鼠標(biāo)拖拽時(shí)
   {  labx.setText("x="+e.getX());    // 顯示X坐標(biāo)
      laby.setText("y="+e.getY());    // 顯示Y坐標(biāo)
      lab.setText("Mouse Dragged!!");  // 顯示"Mouse Dragged!!"字符串
   } 
}