'Declaration Public ReadOnly Property AutoHideState As RibbonAutoHideState
public RibbonAutoHideState AutoHideState {get;}
Note: When the XamRibbon 'hides' its contents, the entire ribbon (including RibbonTabItems, RibbonGroups, the QuickAccessToolbar and the ApplicationMenu) is hidden from view. When the containing root visual is subsequently resized so that both its width/height exceeds the AutoHideHorizontalThreshold) and AutoHideVerticalThreshold the XamRibbon displayed.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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