File list (Check if you may need any files):
Appendix
........\BroadCast
........\.........\AddDialog.cpp
........\.........\AddDialog.h
........\.........\CntrItem.cpp
........\.........\CntrItem.h
........\.........\MainFrm.cpp
........\.........\MainFrm.h
........\.........\MultiCast.cpp
........\.........\MultiCast.h
........\.........\MultiCastChat.aps
........\.........\MultiCastChat.clw
........\.........\MultiCastChat.cpp
........\.........\MultiCastChat.dsp
........\.........\MultiCastChat.dsw
........\.........\MultiCastChat.exe
........\.........\MultiCastChat.h
........\.........\MultiCastChat.ncb
........\.........\MultiCastChat.opt
........\.........\MultiCastChat.plg
........\.........\MultiCastChat.rc
........\.........\MultiCastChatDoc.cpp
........\.........\MultiCastChatDoc.h
........\.........\MultiCastChatView.cpp
........\.........\MultiCastChatView.h
........\.........\ReadMe.txt
........\.........\res
........\.........\...\MultiCastChat.rc2
........\.........\resource.h
........\.........\StdAfx.cpp
........\.........\StdAfx.h
........\chat
........\....\NetClient.exe
........\....\NetClient.exe.manifest
........\....\NetServer.exe
........\....\NetServer.exe.manifest
........\NetAnts
........\.......\Download.aps
........\.......\Download.clw
........\.......\Download.cpp
........\.......\Download.dsp
........\.......\Download.dsw
........\.......\Download.exe
........\.......\Download.h
........\.......\Download.ncb
........\.......\Download.opt
........\.......\Download.plg
........\.......\Download.rc
........\.......\DownloadDlg.cpp
........\.......\DownloadDlg.h
........\.......\GetList.cpp
........\.......\GetList.h
........\.......\HTTPDownload.cpp
........\.......\HTTPDownload.h
........\.......\OleListDropTarget.cpp
........\.......\OleListDropTarget.h
........\.......\ReadMe.txt
........\.......\res
........\.......\...\Download.rc2
........\.......\resource.h
........\.......\StdAfx.cpp
........\.......\StdAfx.h
........\phonecall
........\.........\语音电话
........\.........\........\AboutHelpDlg.cpp
........\.........\........\AboutHelpDlg.h
........\.........\........\modem.001
........\.........\........\modem.002
........\.........\........\modem.003
........\.........\........\modem.aps
........\.........\........\modem.clw
........\.........\........\modem.cpp
........\.........\........\modem.dsp
........\.........\........\modem.dsw
........\.........\........\modem.h
........\.........\........\modem.mak
........\.........\........\modem.ncb
........\.........\........\modem.opt
........\.........\........\modem.plg
........\.........\........\modem.rc
........\.........\........\modem.rc2
........\.........\........\modemDlg.cpp
........\.........\........\modemDlg.h
........\.........\........\res
........\.........\........\...\modem.ICO
........\.........\........\...\modem.rc2
........\.........\........\resource.h
........\.........\........\StdAfx.cpp
........\.........\........\StdAfx.h
chap1
.....\ChatRoom(Csocket)
.....\.................\ClientSocket.cpp
.....\.................\ClientSocket.h
.....\.................\CMessg.cpp