IsDragItemOver property returns true when a field being dragged from the associated data presenter is over the field chooser. It can be used in the style of the FieldChooser to highlight the FieldChooser control to provide a hint to the user that the item can be dropped over the FieldChooser.
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