7.8 如何绘制图形
................\Demo
................\....\ChildFrm.cpp
................\....\ChildFrm.h
................\....\Debug
................\....\.....\ChildFrm.obj
................\....\.....\Demo.exe
................\....\.....\Demo.ilk
................\....\.....\Demo.obj
................\....\.....\Demo.pch
................\....\.....\Demo.pdb
................\....\.....\Demo.res
................\....\.....\DemoDoc.obj
................\....\.....\DemoView.obj
................\....\.....\MainFrm.obj
................\....\.....\StdAfx.obj
................\....\.....\vc60.idb
................\....\.....\vc60.pdb
................\....\Demo.cpp
................\....\Demo.dsp
................\....\Demo.dsw
................\....\Demo.h
................\....\Demo.ncb
................\....\Demo.opt
................\....\Demo.plg
................\....\Demo.rc
................\....\DemoDoc.cpp
................\....\DemoDoc.h
................\....\DemoView.cpp
................\....\DemoView.h
................\....\MainFrm.cpp
................\....\MainFrm.h
................\....\ReadMe.txt
................\....\res
................\....\resource.h
................\....\...\Demo.ico
................\....\...\Demo.rc2
................\....\...\DemoDoc.ico
................\....\StdAfx.cpp
................\....\StdAfx.h