File list (Check if you may need any files):
BtworthFilter
.............\BtworthFilter.aps
.............\BtworthFilter.clw
.............\BtworthFilter.cpp
.............\BtworthFilter.dsp
.............\BtworthFilter.dsw
.............\BtworthFilter.h
.............\BtworthFilter.ncb
.............\BtworthFilter.opt
.............\BtworthFilter.plg
.............\BtworthFilter.rc
.............\BtworthFilterDoc.cpp
.............\BtworthFilterDoc.h
.............\BtworthFilterView.cpp
.............\BtworthFilterView.h
.............\CButterworthDesigner.cpp
.............\CButterworthDesigner.h
.............\Debug
.............\.....\BtworthFilter.obj
.............\.....\BtworthFilter.pch
.............\.....\BtworthFilter.pdb
.............\.....\BtworthFilter.res
.............\.....\BtworthFilterDoc.obj
.............\.....\BtworthFilterView.obj
.............\.....\CButterworthDesigner.obj
.............\.....\MainFrm.obj
.............\.....\StdAfx.obj
.............\.....\vc60.idb
.............\.....\vc60.pdb
.............\MainFrm.cpp
.............\MainFrm.h
.............\ReadMe.txt
.............\res
.............\...\BtworthFilter.rc2
.............\resource.h
.............\StdAfx.cpp
.............\StdAfx.h