VB绘制正弦线，用VB实现在图片框中绘制坐标轴，并在坐标系内动态生成正弦线。注释：首先清除picture1内的图形-VB draw a sinusoidal line, using VB axes in the coordinate system to dynamically generate sinusoidal line drawn in the picture box. Note: First, clear graphics picture1

自己学习时写的VB.NET程序，试验了drawstring、drawline方法的各种用法。-this program is writen during my learning of VB.NET,in which some method of using "drawstring""drawline" is presented.