File list (Check if you may need any files):
DiagramDesigner\App.xaml
...............\App.xaml.cs
...............\Connection.cs
...............\ConnectionAdorner.cs
...............\Connector.cs
...............\ConnectorAdorner.cs
...............\Controls
...............\........\DragThumb.cs
...............\........\RelativePositionPanel.cs
...............\........\ResizeThumb.cs
...............\DesignerCanvas.cs
...............\DesignerItem.cs
...............\DiagramDesigner.csproj
...............\DiagramDesigner.csproj.user
...............\IGroupable.cs
...............\ISelectable.cs
...............\PathFinder.cs
...............\Properties
...............\..........\AssemblyInfo.cs
...............\..........\Resources.Designer.cs
...............\..........\Resources.resx
...............\..........\Settings.Designer.cs
...............\..........\Settings.settings
...............\Resources
...............\.........\ApplicationToolbar.xaml
...............\.........\Connection.xaml
...............\.........\DesignerItem.xaml
...............\.........\Images
...............\.........\......\AlignObjectsBottom.png
...............\.........\......\AlignObjectsCenteredHorizontal.png
...............\.........\......\AlignObjectsCenteredVertical.png
...............\.........\......\AlignObjectsLeft.png
...............\.........\......\AlignObjectsRight.png
...............\.........\......\AlignObjectsTop.png
...............\.........\......\BringForward.png
...............\.........\......\BringToFront.png
...............\.........\......\Copy.png
...............\.........\......\Cut.png
...............\.........\......\Delete.png
...............\.........\......\DistributeObjectsHorizontal.png
...............\.........\......\DistributeObjectsVertical.png
...............\.........\......\GenericDocument.png
...............\.........\......\Group.png
...............\.........\......\OpenFolder.png
...............\.........\......\Paste.png
...............\.........\......\PasteBig.png
...............\.........\......\Print.png
...............\.........\......\Save.png
...............\.........\......\SendBackward.png
...............\.........\......\SendToBack.png
...............\.........\......\Ungroup.png
...............\.........\Stencils
...............\.........\........\FlowChartStencils.xaml
...............\.........\........\ShapeStencils.xaml
...............\.........\Styles
...............\.........\......\Expander.xaml
...............\.........\......\GroupBox.xaml
...............\.........\......\ScrollBar.xaml
...............\.........\......\Shared.xaml
...............\.........\......\ToolBar.xaml
...............\.........\Toolbox.xaml
...............\.........\ToolboxItem.xaml
...............\RubberbandAdorner.cs
...............\SelectionService.cs
...............\Toolbox.cs
...............\ToolboxItem.cs
...............\Window1.xaml
...............\Window1.xaml.cs
DiagramDesigner
DiagramDesigner.sln