File list (Check if you may need any files):
SilverlightTreeViewDemo
.......................\SilverlightTreeViewDemo
.......................\.......................\App.xaml
.......................\.......................\App.xaml.cs
.......................\.......................\Bin
.......................\.......................\...\Debug
.......................\.......................\...\.....\AppManifest.xaml
.......................\.......................\...\.....\Microsoft.Windows.Controls.DataVisualization.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Input.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.ExpressionDark.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.ExpressionLight.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.RainierOrange.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.RainierPurple.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.ShinyBlue.dll
.......................\.......................\...\.....\Microsoft.Windows.Controls.Theming.ShinyRed.dll
.......................\.......................\...\.....\SilverlightTreeViewDemo.dll
.......................\.......................\...\.....\SilverlightTreeViewDemo.pdb
.......................\.......................\...\.....\SilverlightTreeViewDemo.xap
.......................\.......................\...\.....\TestPage.html
.......................\.......................\images
.......................\.......................\......\Add.png
.......................\.......................\......\Book.png
.......................\.......................\......\FolderOpen.png
.......................\.......................\......\Home.png
.......................\.......................\......\Music.png
.......................\.......................\......\Star.png
.......................\.......................\Level.cs
.......................\.......................\obj
.......................\.......................\...\Debug
.......................\.......................\...\.....\App.g.cs
.......................\.......................\...\.....\Page.g.cs
.......................\.......................\...\.....\ResolveAssemblyReference.cache
.......................\.......................\...\.....\SilverlightTreeViewDemo.csproj.FileListAbsolute.txt
.......................\.......................\...\.....\SilverlightTreeViewDemo.dll
.......................\.......................\...\.....\SilverlightTreeViewDemo.g.resources
.......................\.......................\...\.....\SilverlightTreeViewDemo.pdb
.......................\.......................\...\.....\TempPE
.......................\.......................\...\.....\XapCacheFile.xml
.......................\.......................\Page.xaml
.......................\.......................\Page.xaml.cs
.......................\.......................\PageViewModel.cs
.......................\.......................\Properties
.......................\.......................\..........\AppManifest.xml
.......................\.......................\..........\AssemblyInfo.cs
.......................\.......................\SilverlightTreeViewDemo.csproj
.......................\.......................\SilverlightTreeViewDemo.csproj.user
.......................\SilverlightTreeViewDemo.sln