Note: If no tab is currently selected and at least one RibbonTabItem exists in the TabsInView collection, the first RibbonTabItem in the list will be selected. If the SelectedTab is currently set to the first tab in the Tabs collection, the SelectedTab is unchanged.
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