说明：  VB6.0绘制标准三行代码实现在Picture1中绘制黑色的水平坐标轴和垂直坐标轴，绘制白色函数图形，有规律可循的曲线图形，有Vb6的直接编译就行了，源代码免费开源
(VB6.0 drawing standard three lines of code in the Picture1 draw black horizontal axis and vertical axis, draw white function graph, curve to follow the law, directly compiled with Vb6 on the line, the source code is free and open source )