掌握TC环境下编写程序实现计算机画图的基本方法，要求能以各种颜色画点，直线，圆等基本图形。

2． 理解windows环境下画图的方法。

3． 理解实现动画的基本处理方法。

-TC environment to prepare to master the computer drawing program to achieve the basic approach, which requires a variety of colors can draw points, lines, circles and other basic graphics. 2. Understand that windows environment drawing method. 3. To understand the basic approach to achieve animation.