这个程序讲解在Visual C++.net下如何获取垂直滚动条箭头位图宽度。程序注释很详细，适合初学者，需要的朋友下载试试吧！-Explain this procedure in Visual C . Net how to obtain the vertical scroll bar width of the arrow bitmap. Notes procedures in great detail, suitable for beginners, the need for friend