public override Point3d this[
	params int[] idx
] { get; set; }

Public Overrides Default Property Item ( 
	ParamArray idx As Integer()
) As Point3d
	Get
	Set

public:
virtual property Point3d default[... array<int>^ idx] {
	Point3d get (... array<int>^ idx) override;
	void set (... array<int>^ idx, Point3d value) override;
}

abstract Item : Point3d with get, set
override Item : Point3d with get, set