Returns True when the Appearance object for the VerticalToolbarGrabHandleAppearance property has been created; otherwise, returns False.
Use this property to determine whether an Infragistics.Win.AppearanceBase object has been created. Appearance objects in general are not created until the properties associated with them are accessed.
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