程序中画了一个图形，菜单项关联对话框，来控制图形轮廓的粗细。-Program drew a graph, a menu item associated with the dialog box to control the thickness of graphic profile.

MFC消息映射机制的剖析，讲述如何运用ClassWizard，，理解发送给窗口的消息是如何被MFC框架通过窗口句柄映射表和消息映射表来用窗口类的函数进行响应的。掌握设备描述表及其封装类CDC的使用，CDC是如何与具体的设备发生关联的，融合具体的画图程序进行分析。如何设置封闭图形的填充刷子（位图画刷与透明画刷的使用）。-MFC news mapping mechanism analysis, tells how to use ClassWizard,, understand the message

描点作图程序例子，用以生成曲线图，用作图函数-The tracing point drawing program example, to generate a graph as a graph function

VB画波形程序，点击图形窗口出现坐标系及正弦波-VB waveform drawing program, click on the graph window appears coordinate and sine wave