GOOGLE上很容易查到怎样对 panel 进行透明处理，但实现起来还是有些难度。

这个组件已经对 透明panel方法 作了封装，安装后直接拖拉使用。刷新速快,背景不闪!

包里有源程序，可以再次定制二次开发。-GOOGLE on how to easily check on the panel transparent, but still some more difficult to achieve. This component has a transparent panel on the methods of packaging, use after the installation of a direct drag. Fast refresh, the background does not flash! Bag there source, you can customize the secondary development again.