用于显示彩色心轴分形图，并可多次放大以显示奇妙细节。本人学习分形几何后用VC6.0编写的程序，有一定VC编程基础的人并不难看懂其关键代码。稍作改动或不改动就可用于课堂教学或其他相关演示使用。-It display a colorful Mark shape, may enlarge to show the wonderful details. It can be used for teaching Demonstrate.

绘制3次B研样条曲线，通过代码运行演示出3次B样条曲线的绘制。-Research to draw 3 B spline curve, running through the code shows the three B-spline Curve.