Realize a simple MP3 player, pointing out the inadequacies, please, I am on the novice, there are many of them do not understand

Packet : 19854787vc_mp3.rar filelist
VC_MP3\mp3play_vc\nwmp3play.cpp
VC_MP3\mp3play_vc\nwmp3play.h
VC_MP3\mp3play_vc\nwmp3play_vc.aps
VC_MP3\mp3play_vc\nwmp3play_vc.clw
VC_MP3\mp3play_vc\nwmp3play_vc.cpp
VC_MP3\mp3play_vc\nwmp3play_vc.dsp
VC_MP3\mp3play_vc\nwmp3play_vc.dsw
VC_MP3\mp3play_vc\nwmp3play_vc.h
VC_MP3\mp3play_vc\nwmp3play_vc.ncb
VC_MP3\mp3play_vc\nwmp3play_vc.opt
VC_MP3\mp3play_vc\nwmp3play_vc.plg
VC_MP3\mp3play_vc\nwmp3play_vc.rc
VC_MP3\mp3play_vc\nwmp3play_vcDlg.cpp
VC_MP3\mp3play_vc\nwmp3play_vcDlg.h
VC_MP3\mp3play_vc\ReadMe.txt
VC_MP3\mp3play_vc\res\nwmp3play_vc.ico
VC_MP3\mp3play_vc\res\nwmp3play_vc.rc2
VC_MP3\mp3play_vc\res\Thumbs.db
VC_MP3\mp3play_vc\Resource.h
VC_MP3\mp3play_vc\StdAfx.cpp
VC_MP3\mp3play_vc\StdAfx.h
VC_MP3\nwnetmp3.dll
VC_MP3\使用说明.txt
VC_MP3\控件注册.bat
VC_MP3\控件注消.bat
VC_MP3\mp3play_vc\res
VC_MP3\mp3play_vc
VC_MP3

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