使用CAsyncSocket进行无连接（UDP）通信
.....................................\UDPClient
.....................................\.........\ReadMe.txt
.....................................\.........\res
.....................................\.........\Resource.h
.....................................\.........\res\UDPClient.ico
.....................................\.........\...\UDPClient.rc2
.....................................\.........\StdAfx.cpp
.....................................\.........\StdAfx.h
.....................................\.........\UDPClient.aps
.....................................\.........\UDPClient.clw
.....................................\.........\UDPClient.cpp
.....................................\.........\UDPClient.dsp
.....................................\.........\UDPClient.dsw
.....................................\.........\UDPClient.h
.....................................\.........\UDPClient.ncb
.....................................\.........\UDPClient.rc
.....................................\.........\UDPClient.sln
.....................................\.........\UDPClient.suo
.....................................\.........\UDPClient.vcproj
.....................................\.........\UDPClient.vcproj.DELL9020-SH.DELL9020.user
.....................................\.........\UDPClientDlg.cpp
.....................................\.........\UDPClientDlg.h
.....................................\UDPSever
.....................................\........\ReadMe.txt
.....................................\........\res
.....................................\........\Resource.h
.....................................\........\res\UDPSever.ico
.....................................\........\...\UDPSever.rc2
.....................................\........\StdAfx.cpp
.....................................\........\StdAfx.h
.....................................\........\UDPSever.aps
.....................................\........\UDPSever.clw
.....................................\........\UDPSever.cpp
.....................................\........\UDPSever.dsp
.....................................\........\UDPSever.dsw
.....................................\........\UDPSever.h
.....................................\........\UDPSever.ncb
.....................................\........\UDPSever.rc
.....................................\........\UDPSever.sln
.....................................\........\UDPSever.suo
.....................................\........\UDPSever.vcproj
.....................................\........\UDPSever.vcproj.DELL9020-SH.DELL9020.user
.....................................\........\UDPSeverDLG.cpp
.....................................\........\UDPSeverDlg.h