用VC++画椭圆、画矩形，不是即时画画那 种，点一下按钮会生成椭圆或矩形，比较简单那种，可以了解一下椭圆、矩形用代码是如何实现的。 -VC++ painted with oval, draw a rectangle, not the kind of real-time drawing, tap the button will generate an oval or rectangular, relatively simple kind, you can look oval, rectangu