This property controls how text's content is selected in the edition area when the TAB key is pressed on an object, and not when an object receives focus as the result of a SetFocus method. Available options for this property are 0 - fmEnterFieldBehaviorSelectAll: Selects the whole text's content when the TAB key is pressed on an object (default) or 1 - fmEnterFieldBehaviorRecallSelection: Selection remains unchanged.