首先通过对UcBall控件的封装，暴露事件和接口，UcBallConnection为 多个UcBall的集合，并采用GDI的双缓冲技术，解决频繁刷屏的问题。-The first package by UcBall control, exposure events and interfaces, UcBallConnection multiple UcBall collection and use GDI double buffer technology to solve the problem