这是一个在ＶＣ环境下实现动态图形变化的例子，里面包含各种类型的曲线图，相信对学习用ＶＣ画图功能的读者会有很大的帮助-This is a VC environment in the realization of dynamic graphics examples of changes, which contains various types of curves, I believe that learning to use drawing functions VC readers will be