File list (Check if you may need any files):
callback
........\callback內容.txt
........\cback_dll
........\.........\cback_dll.aps
........\.........\cback_dll.clw
........\.........\cback_dll.cpp
........\.........\cback_dll.def
........\.........\cback_dll.dsp
........\.........\cback_dll.dsw
........\.........\cback_dll.ncb
........\.........\cback_dll.opt
........\.........\cback_dll.plg
........\.........\cback_dll.rc
........\.........\Debug
........\.........\.....\cback_dll.dll
........\.........\.....\cback_dll.exp
........\.........\.....\cback_dll.lib
........\.........\.....\cback_dll.pdb
........\.........\.....\cback_dll.res
........\.........\.....\cback_dll.sbr
........\.........\.....\Mathematical.obj
........\.........\.....\Mathematical.sbr
........\.........\.....\StdAfx.obj
........\.........\.....\StdAfx.sbr
........\.........\.....\vc60.pdb
........\.........\DLL_Head.h
........\.........\Mathematical.cpp
........\.........\Mathematical.h
........\.........\ReadMe.txt
........\.........\res
........\.........\...\cback_dll.rc2
........\.........\resource.h
........\.........\StdAfx.cpp
........\.........\StdAfx.h
........\cback_Main
........\..........\cback_Main.aps
........\..........\cback_Main.clw
........\..........\cback_Main.cpp
........\..........\cback_Main.dsp
........\..........\cback_Main.dsw
........\..........\cback_Main.h
........\..........\cback_Main.ncb
........\..........\cback_Main.opt
........\..........\cback_Main.plg
........\..........\cback_Main.rc
........\..........\cback_MainDlg.cpp
........\..........\cback_MainDlg.h
........\..........\Debug
........\..........\.....\cback_dll.dll
........\..........\.....\cback_dll.exp
........\..........\.....\cback_dll.lib
........\..........\.....\cback_dll.pdb
........\..........\.....\cback_Main.exe
........\..........\.....\cback_Main.obj
........\..........\.....\cback_Main.pdb
........\..........\.....\cback_Main.res
........\..........\.....\cback_Main.sbr
........\..........\.....\cback_MainDlg.obj
........\..........\.....\cback_MainDlg.sbr
........\..........\.....\Debug
........\..........\.....\StdAfx.obj
........\..........\.....\StdAfx.sbr
........\..........\.....\vc60.pdb
........\..........\ReadMe.txt
........\..........\res
........\..........\...\cback_Main.rc2
........\..........\resource.h
........\..........\StdAfx.cpp
........\..........\StdAfx.h