创建动画片，这样就不会有浅色的静态区域了。
Create the animation such that there are not light-colored static areas.
这个边框是用来定义图片的可伸缩和静态区域。
The border is used to define the stretchable and static areas of the image.
您可以初始化静态区域变数的值，当做宣告的一部分。
You can declare a static local variable within a class, that is, inside a procedure in that class.
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