File list (Check if you may need any files):
主窗口加显示当前已打开的子窗口信息
..................................\del.bat
..................................\info-TPageControl2.txt
..................................\PageControl.exe
..................................\Project1.bpr
..................................\Project1.cpp
..................................\Project1.obj
..................................\Project1.res
..................................\Project1.tds
..................................\Unit1.cpp
..................................\Unit1.dfm
..................................\Unit1.h
..................................\Unit1.obj
..................................\Unit2.cpp
..................................\Unit2.dfm
..................................\Unit2.h
..................................\Unit2.obj
..................................\Unit3.cpp
..................................\Unit3.dfm
..................................\Unit3.h
..................................\Unit3.obj