多级目录文件管理
................\file.
cpp
................\file.
dfm
................\file.
h
................\help.
cpp
................\help.
dfm
................\help.
h
................\mulfile.
bpr
................\mulfile.
cpp
................\mulfile.
exe
................\newfile.
cpp
................\newfile.
dfm
................\newfile.
h
................
\picture
................\.......\up.
bmp
................\property.
cpp
................\property.
dfm
................\property.
h
................\showfile.
cpp
................\showfile.
dfm
................\showfile.
h
