VC中的一个简单的画线的小程序，程序中有详细的注释，能够帮助你掌握画线方法-VC in a simple line drawing of small procedures, the procedures are detailed in the notes to help you master the method of drawing a line

TChart的线与点的用法实例与串口数据接收的波形图-TChart and serial data reception of the wave

vb chart 柱状图，本文件提供了源代码-vb chart histogram, the document provides the source code