RadItem represents a visual element that can be added to an ItemsCollection and can be selected, deleted or moved in Visual Studio at design time. Other characteristics introduced by RadItem:
Handles mouse and keyboard input.
Takes input focus and also defines if the item can be selected.
A Text property and related properties for text changing and orientation changes, as well as events for notification of when these properties change.
Controls if the item can be dragged at design time.
Allows the item to be connected to command binding, i.e. allowing ShortCuts to fire actions in
Adds accessibility properties to aid navigation using the item.