本例使用一个定时器来实现动画的效果， 定时器每隔一个延迟调用一系列图片中的一张。并绘制在屏幕上，从而产生动画的效果。-This example uses a timer to achieve animation effects, timer delay call every one series of Figure

Of one of the film. And draw on the screen, resulting in the effect of the animation.