public abstract T this[
	params int[] idx
] { get; set; }

Public MustOverride Default Property Item ( 
	ParamArray idx As Integer()
) As T
	Get
	Set

public:
virtual property T default[... array<int>^ idx] {
	T get (... array<int>^ idx) abstract;
	void set (... array<int>^ idx, T value) abstract;
}

abstract Item : 'T with get, set