Property Items
Items
Enumerate the items that make up the value of this property. If the property is not an enumeration, this will only be one item in the enumeration. If the property is an enumeration (or enumerable) then all the items will be returned. At least one will always be returned since it MarkupItem will not create a MarkupProperty for properties with no items.
public abstract IEnumerable<MarkupObject> Items { get; }