'Declaration Public ReadOnly Property Hidden As ObservableCollection(Of LayoutAnchorable)
'Usage Dim instance As LayoutRoot Dim value As ObservableCollection(Of LayoutAnchorable) value = instance.Hidden
public ObservableCollection<LayoutAnchorable> Hidden {get;}
Only layout anchorables (not documents) can be hidden. When an anchorable is hidden, there is no visible indication of it, unlike with an autohidden window, whose tab can be seen on one of the sides of the DockingMananger.
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2