File list (Check if you may need any files):
WPFTabControl
.............\MsdnTabs
.............\........\App.xaml
.............\........\App.xaml.cs
.............\........\MainWindow.xaml
.............\........\MainWindow.xaml.cs
.............\........\MsdnTabs.csproj
.............\........\Properties
.............\........\..........\AssemblyInfo.cs
.............\........\..........\Resources.Designer.cs
.............\........\..........\Resources.resx
.............\........\..........\Settings.Designer.cs
.............\........\..........\Settings.settings
.............\OriginalTabs
.............\............\App.xaml
.............\............\App.xaml.cs
.............\............\MainWindow.xaml
.............\............\MainWindow.xaml.cs
.............\............\OriginalTabs.csproj
.............\............\Properties
.............\............\..........\AssemblyInfo.cs
.............\............\..........\Resources.Designer.cs
.............\............\..........\Resources.resx
.............\............\..........\Settings.Designer.cs
.............\............\..........\Settings.settings
.............\TabControls.sln
.............\TrapezoidBottom
.............\...............\App.xaml
.............\...............\App.xaml.cs
.............\...............\Converters.cs
.............\...............\MainWindow.xaml
.............\...............\MainWindow.xaml.cs
.............\...............\Properties
.............\...............\..........\AssemblyInfo.cs
.............\...............\..........\Resources.Designer.cs
.............\...............\..........\Resources.resx
.............\...............\..........\Settings.Designer.cs
.............\...............\..........\Settings.settings
.............\...............\Styles
.............\...............\......\TabControl.xaml
.............\...............\TrapezoidBottom.csproj
.............\TrapezoidSimple
.............\...............\App.xaml
.............\...............\App.xaml.cs
.............\...............\MainWindow.xaml
.............\...............\MainWindow.xaml.cs
.............\...............\Properties
.............\...............\..........\AssemblyInfo.cs
.............\...............\..........\Resources.Designer.cs
.............\...............\..........\Resources.resx
.............\...............\..........\Settings.Designer.cs
.............\...............\..........\Settings.settings
.............\...............\TrapezoidSimple.csproj
.............\TrapezoidTabs
.............\.............\.hgignore
.............\.............\App.xaml
.............\.............\App.xaml.cs
.............\.............\Converters.cs
.............\.............\MainWindow.xaml
.............\.............\MainWindow.xaml.cs
.............\.............\Properties
.............\.............\..........\AssemblyInfo.cs
.............\.............\..........\Resources.Designer.cs
.............\.............\..........\Resources.resx
.............\.............\..........\Settings.Designer.cs
.............\.............\..........\Settings.settings
.............\.............\Styles
.............\.............\......\TabControl.xaml
.............\.............\TrapezoidTabs.csproj