File list (Check if you may need any files):
网络编程
........\1、WebClient download
........\.....................\1、WebClient download.csproj
........\.....................\1、WebClient download.csproj.user
........\.....................\1、WebClient download.sln
........\.....................\1、WebClient download.suo
........\.....................\App.ico
........\.....................\AssemblyInfo.cs
........\.....................\bin
........\.....................\...\Debug
........\.....................\...\.....\WindowsApplication21.exe
........\.....................\...\.....\WindowsApplication21.pdb
........\.....................\Form1.cs
........\.....................\Form1.resx
........\.....................\obj
........\.....................\...\Debug
........\.....................\...\.....\1、WebClient download.projdata
........\.....................\...\.....\temp
........\.....................\...\.....\TempPE
........\.....................\...\.....\WindowsApplication21.exe
........\.....................\...\.....\WindowsApplication21.Form1.resources
........\.....................\...\.....\WindowsApplication21.pdb
........\.....................\...\.....\WindowsApplication21.projdata
........\2、访问Internet
........\...............\2.1 WebClient类
........\...............\...............\2.1 WebClient类.csproj
........\...............\...............\2.1 WebClient类.csproj.user
........\...............\...............\App.ico
........\...............\...............\AssemblyInfo.cs
........\...............\...............\bin
........\...............\...............\...\Debug
........\...............\...............\...\.....\AxInterop.SHDocVw.dll
........\...............\...............\...\.....\Interop.SHDocVw.dll
........\...............\...............\...\.....\WebClient类.exe
........\...............\...............\...\.....\WebClient类.pdb
........\...............\...............\Form1.cs
........\...............\...............\Form1.resx
........\...............\...............\obj
........\...............\...............\...\AxInterop.SHDocVw.dll
........\...............\...............\...\Debug
........\...............\...............\...\.....\2.1 WebClient类.projdata
........\...............\...............\...\.....\temp
........\...............\...............\...\.....\TempPE
........\...............\...............\...\.....\WebClient类.exe
........\...............\...............\...\.....\WebClient类.Form1.resources
........\...............\...............\...\.....\WebClient类.pdb
........\...............\...............\...\.....\WebClient类.projdata
........\...............\...............\...\Interop.SHDocVw.dll
........\...............\2.2 WebRequest类和WebResponse类
........\...............\...............................\2.2 WebRequest类和WebResponse类.csproj
........\...............\...............................\2.2 WebRequest类和WebResponse类.csproj.user
........\...............\...............................\App.ico
........\...............\...............................\AssemblyInfo.cs
........\...............\...............................\bin
........\...............\...............................\...\Debug
........\...............\...............................\...\.....\AxInterop.SHDocVw.dll
........\...............\...............................\...\.....\Interop.SHDocVw.dll
........\...............\...............................\...\.....\WebRequest类和WebResponse类.exe
........\...............\...............................\...\.....\WebRequest类和WebResponse类.pdb
........\...............\...............................\Form1.cs
........\...............\...............................\Form1.resx
........\...............\...............................\obj
........\...............\...............................\...\AxInterop.SHDocVw.dll
........\...............\...............................\...\Debug
........\...............\...............................\...\.....\2.2 WebRequest类和WebResponse类.projdata
........\...............\...............................\...\.....\temp
........\......