File list (Check if you may need any files):
QQGroup\QQGroup\App.xaml
.......\.......\App.xaml.cs
.......\.......\bin\Debug\QQGroup.exe
.......\.......\...\.....\QQGroup.pdb
.......\.......\...\.....\QQGroup.vshost.exe
.......\.......\...\.....\QQGroup.vshost.exe.manifest
.......\.......\FriendInfo.cs
.......\.......\MainWindow.xaml
.......\.......\MainWindow.xaml.cs
.......\.......\obj\Debug\App.baml
.......\.......\...\.....\App.g.cs
.......\.......\...\.....\App.g.i.cs
.......\.......\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......\.......\...\.....\MainWindow.baml
.......\.......\...\.....\MainWindow.g.cs
.......\.......\...\.....\MainWindow.g.i.cs
.......\.......\...\.....\QQGroup.csproj.FileListAbsolute.txt
.......\.......\...\.....\QQGroup.csproj.GenerateResource.Cache
.......\.......\...\.....\QQGroup.csprojResolveAssemblyReference.cache
.......\.......\...\.....\QQGroup.exe
.......\.......\...\.....\QQGroup.g.resources
.......\.......\...\.....\QQGroup.pdb
.......\.......\...\.....\QQGroup.Properties.Resources.resources
.......\.......\...\.....\QQGroup_Content.g.i.cs
.......\.......\...\.....\QQGroup_MarkupCompile.cache
.......\.......\...\.....\QQGroup_MarkupCompile.i.cache
.......\.......\...\.....\skin.baml
.......\.......\Properties\AssemblyInfo.cs
.......\.......\..........\Resources.Designer.cs
.......\.......\..........\Resources.resx
.......\.......\..........\Settings.Designer.cs
.......\.......\..........\Settings.settings
.......\.......\QQGroup.csproj
.......\.......\skin\big1.png
.......\.......\skin.xaml
.......\QQGroup.sln
.......\QQGroup.v11.suo
.......\.......\obj\Debug\TempPE
.......\.......\bin\Debug
.......\.......\obj\Debug
.......\.......\bin
.......\.......\obj
.......\.......\Properties
.......\.......\skin
.......\QQGroup
QQGroup