<igDock:XamDockManager Name="xamDockManager1"> <igDock:XamDockManager.Panes> <igDock:SplitPane Name="splitPane1" igDock:XamDockManager.InitialLocation="FloatingOnly" igDock:XamDockManager.FloatingSize="150 150"> <igDock:ContentPane Header="Pane 1" /> </igDock:SplitPane> </igDock:XamDockManager.Panes> </igDock:XamDockManager>