圆的移动轨迹
............\Debug
............\.....\MainFrm.obj
............\.....\program53.exe
............\.....\program53.ilk
............\.....\program53.obj
............\.....\program53.pch
............\.....\program53.pdb
............\.....\program53.res
............\.....\program53Doc.obj
............\.....\program53View.obj
............\.....\StdAfx.obj
............\.....\vc60.idb
............\.....\vc60.pdb
............\MainFrm.cpp
............\MainFrm.h
............\program53.aps
............\program53.clw
............\program53.cpp
............\program53.dsp
............\program53.dsw
............\program53.h
............\program53.ncb
............\program53.opt
............\program53.plg
............\program53.rc
............\program53Doc.cpp
............\program53Doc.h
............\program53View.cpp
............\program53View.h
............\ReadMe.txt
............\res
............\...\program53.ico
............\...\program53.rc2
............\...\program53Doc.ico
............\...\Toolbar.bmp
............\Resource.h
............\StdAfx.cpp
............\StdAfx.h