File list (Check if you may need any files):
ex4_2-实习
..........\ex4_2.aps
..........\ex4_2.clw
..........\ex4_2.cpp
..........\ex4_2.dsp
..........\ex4_2.dsw
..........\ex4_2.h
..........\ex4_2.ncb
..........\ex4_2.opt
..........\ex4_2.plg
..........\ex4_2.rc
..........\ex4_2Doc.cpp
..........\ex4_2Doc.h
..........\ex4_2View.cpp
..........\ex4_2View.h
..........\InputDlg.cpp
..........\InputDlg.h
..........\MainFrm.cpp
..........\MainFrm.h
..........\ReadMe.txt
..........\res
..........\...\ex4_2.rc2
..........\resource.h
..........\StdAfx.cpp
..........\StdAfx.h