VB.NET, C#
The PropertyExplorer sample application demonstrates how Mdi tool windows are handled by a dock-layout manager versus a tabbed-mdi manager.
This sample specifically demonstrates how to:
C#: Xceed Samples\Xceed Docking Windows for WinForms v[#.#]\CSharp\PropertyExplorer\PropertyExplorer.csproj
VB.NET: Xceed Samples\Xceed Docking Windows for WinForms v[#.#]\Visual Basic .NET\PropertyExplorer\PropertyExplorer.vbproj