Multi-threaded download file, learning classic multithreaded code, need to look at

新的下载工具\1VrDownloader\1VrDownloader.aps
............\.............\1VrDownloader.cpp
............\.............\1VrDownloader.rc
............\.............\1VrDownloader.vcproj
............\.............\1VrDownloader.vcproj.PC-200201010228.Administrator.user
............\.............\1VrDownloader.vcproj.SNAIL.yangzx.user
............\.............\common.cpp
............\.............\common.h
............\.............\downloader.cpp
............\.............\downloader.h
............\.............\MultiDownloader.h
............\.............\ReadMe.txt
............\.............\resource.h
............\.............\stdafx.cpp
............\.............\stdafx.h
............\.............\MultiDownloader.cpp
............\1VrDownloader.sln
............\1VrDownloader.suo
............\.vrDownloaderApp\1vrDownloaderApp.aps
............\................\1vrDownloaderApp.cpp
............\................\1vrDownloaderApp.h
............\................\1vrDownloaderApp.rc
............\................\1vrDownloaderApp.vcproj
............\................\1vrDownloaderApp.vcproj.PC-200201010228.Administrator.user
............\................\1vrDownloaderApp.vcproj.SNAIL.yangzx.user
............\................\1vrDownloaderAppDlg.cpp
............\................\1vrDownloaderAppDlg.h
............\................\common.cpp
............\................\common.h
............\................\downloader.h
............\................\ReadMe.txt
............\................\res\.svn\all-wcprops
............\................\...\....\entries
............\................\...\....\format
............\................\...\....\prop-base\1vrDownloaderApp.ico.svn-base
............\................\...\....\text-base\1vrDownloaderApp.ico.svn-base
............\................\...\....\.........\My1vrDownloaderApp.rc2.svn-base
............\................\...\1vrDownloaderApp.ico
............\................\...\My1vrDownloaderApp.rc2
............\................\resource.h
............\................\stdafx.cpp
............\................\stdafx.h
............\1VrDownloader.ncb
............\.vrDownloaderApp\res\.svn\tmp\prop-base
............\................\...\....\...\props
............\................\...\....\...\text-base
............\................\...\....\prop-base
............\................\...\....\text-base
............\................\...\....\tmp
............\................\...\....\props
............\................\...\.svn
............\................\res
............\1VrDownloader
............\1vrDownloaderApp
新的下载工具

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