利用Scorll Bar控制R,G,B颜色,在一个面板上显示当前颜色.-use control Scorll Bar R, G, B color, in a panel that shows the current color.

进度条的例子，由VB编译实现。很有用的一个例子，进度条在工程中到处可见，代码的复用率高。-The progress bar codes, it is very useful for development of a feature, and it can be used in coding directly.