一个用VB编写的程序，是b样曲线的经典示范，具有相关的放大缩小的功能，非常的实用-A program written by VB is a b-like curve of the classic model, with associated zoom function is very useful

vb实现2次，4次曲线的拟合，方便使用，已使用N次-Vb realize 2 times, 4 times of curve fitting

内含VB绘制三次样条曲线方法,并加入一个计时器,动态生成点并绘制样条曲线,形成动态锯齿图.-VB containing cubic spline curve drawing method, and add a timer, dynamically generated point and draw spline curves to form a dynamic zigzag map.