File list (Check if you may need any files):
Net
...\ChatClient
...\..........\AssemblyInfo.cs
...\..........\bin
...\..........\ChatClient.csproj
...\..........\ChatClient.csproj.user
...\..........\ChatClient.sln
...\..........\Form1.cs
...\..........\Form1.resx
...\..........\obj
...\ChatServer
...\..........\AssemblyInfo.cs
...\..........\Backup
...\..........\......\AssemblyInfo.cs
...\..........\......\ChatServer.csproj
...\..........\......\ChatServer.csproj.user
...\..........\......\ChatServer.sln
...\..........\......\Form1.cs
...\..........\......\Form1.resx
...\..........\bin
...\..........\ChatServer.csproj
...\..........\ChatServer.csproj.user
...\..........\ChatServer.sln
...\..........\ChatServerApp.csproj.user
...\..........\Form1.cs
...\..........\Form1.resx
...\..........\obj
...\..........\...\ChatServer.csproj.FileList.txt
...\..........\UpgradeLog.XML
...\..........\_UpgradeReport_Files
...\..........\....................\UpgradeReport.css
...\..........\....................\UpgradeReport.xslt
...\..........\....................\UpgradeReport_Minus.gif
...\..........\....................\UpgradeReport_Plus.gif
...\ChatServer1
...\...........\AssemblyInfo.cs
...\...........\Backup
...\...........\......\AssemblyInfo.cs
...\...........\......\ChatServer.csproj
...\...........\......\ChatServer.csproj.user
...\...........\......\ChatServer.sln
...\...........\......\Client.cs
...\...........\......\Form1.cs
...\...........\......\Form1.resx
...\...........\bin
...\...........\ChatServer.csproj
...\...........\ChatServer.csproj.user
...\...........\ChatServer.sln
...\...........\Client.cs
...\...........\Form1.cs
...\...........\Form1.resx
...\...........\obj
...\...........\...\ChatServer.csproj.FileList.txt
...\...........\UpgradeLog.XML
...\...........\_UpgradeReport_Files
...\...........\....................\UpgradeReport.css
...\...........\....................\UpgradeReport.xslt
...\...........\....................\UpgradeReport_Minus.gif
...\...........\....................\UpgradeReport_Plus.gif
...\client
...\......\client.cs
...\DNS集成服务系统
...\...............\AssemblyInfo.cs
...\...............\DNS集成服务系统.csproj
...\...............\DNS集成服务系统.csproj.user
...\...............\DNS集成服务系统.sln
...\...............\Form1.cs
...\...............\Form1.resx
...\...............\licenses.licx
...\EmailReceiver
...\.............\AssemblyInfo.cs
...\.............\bin
...\.............\EmailReceiver.csproj
...\.............\EmailReceiver.csproj.user
...\.............\EmailReceiver.sln
...\.............\Form1.cs
...\.............\Form1.resx
...\.............\obj
...\EMailSender
...\...........\AssemblyInfo.cs
...\...........\bin
...\...........\EMailSender.csproj
...\...........\EMailSender.csproj.user
...\...........\EMailSender.sln