SWT:鼠标滚轮事件

鼠标滚动时触发该事件 : org.eclipse.swt.events.MouseWheelListener

 

//鼠标滚轮事件

eg:
  btn.addMouseWheelListener(new MouseWheelListener() {
   public void mouseScrolled(MouseEvent e) {
    if(e.count == 3){
     System.out.println("向上滚轮");
    }
    
    if(e.count == -3){
     System.out.println("向下滚轮");
    }
   }
  });