该程序封装了贝塞尔曲线的绘制方法——就是Graphics类的DrawBezier()方法。通过他一个不了解贝塞尔曲线数学背景的人都很容易绘制。-Bessel curve of the drawing method-- is the kind of DrawBezier Graphics () method. Through his ignorance Bessel curve of a mathematical background of the drawing is easy.