用VC6.0实现的滚动条程序，界面主要包括一个滚动条和一个文本框，文本框里显示滚动条的进度，该源码和本站已有的两个同名文件不一样，请站长审核。-Scroll bar with VC6.0 achieve program interface includes a scroll bar and a text box, text box shows the progress of the scroll bar, and the site of the source file does not have