public GroupColumn this[
	int Index
] { get; set; }

Public Property Item ( 
	Index As Integer
) As GroupColumn
	Get
	Set

public:
virtual property GroupColumn^ Item[int Index] {
	GroupColumn^ get (int Index) sealed;
	void set (int Index, GroupColumn^ value) sealed;
}

function get_Item(Index);
function set_Item(value);