uisquare.as

《Flash AS3殿堂之路》光盘源码 学习ActionScript 3.0

package org.kingda.book.display
{
	import mx.flash.UIMovieClip;
	import flash.events.MouseEvent;

	public class UISquare extends UIMovieClip
	{
		public function UISquare() {
			trace ("UISquare success!!");
			initDrag();
		}
		
		private function initDrag():void {
			this.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
			this.addEventListener(MouseEvent.MOUSE_UP,   	upHandler);
		}
		
		private function downHandler(evt:MouseEvent):void {
			this.startDrag(true);
		}
		
		private function upHandler(evt:MouseEvent):void {
			this.stopDrag();
		}
	}
}