对于程序的射线追踪算法，并用VB可以证明的。

一个画图程序，可以设置线宽和着色。比较简单，仅供初学者参考。-A drawing program, you can set line width and coloring. Relatively simple, for beginners reference.

图形的绘制，如何使用自定义画笔（颜色，线宽，线型）。如何为程序中添加选项菜单和选项设置对话框，如何使用标准颜色对话框，如何使用字体对话框，在选项对话框中实现预览功能。实现选项对话框和窗口类中的数据交换。如何改变对话框和控件的背景色，如何改变控件的文本颜色，对按钮控件的特殊处理。如何在窗口中显示一幅位图。-Graphics rendering, how to use a custom brush (color, line width, linear). Procedures for how to add menu options and option settings dialog box, and how to use the standard Color dialog box, and how to use the Font dialog box, and realize in the Options dialog box in preview. Realize the Options dialog box and the window class of data exchange. How to change the dialog box and controls the background color, how to change the control text color of the button controls the special treatment. How to display a window bitmap.

采用GDI绘图，各种元件组合，矢量图形，数据库存储，图形分图层。-Using GDI graphics, a variety of component combinations, vector graphics, databases, storage, graphics sub-layers.

画图，可以在界面上显示gif图像，以及jpeg格式图片。-Paint can be displayed on the interface gif images, as well as jpeg format picture.

提取ture type字体的外轮廓-Ture type fonts extract the outer contour

VC&matlab混合编程的研究-VC

在VC下实现画矩形，椭圆，直线等，适合作为小作业-Under implementation in VC draw rectangle, ellipse, straight line and so on, suitable as a small operation

映射倒影的水面源码，效果不错，可以直接应用的游戏中-Mapping surface reflection of source code, good results can be applied directly to the game

画位图的几个函数-several functions for drawing bitmaps

bmp图片的三维重构和三方向视图的显示,用delphi开发-bmp images and the three-dimensional reconstruction of three directions View shown that the development of delphi