Note: As the MdiTabGroup that contains the ActiveTab changes (because either the ActiveTab is moved to a different group or because a different MdiTab/Form is activated) the MdiTabGroup that is displayed will automatically change.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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