public Nullable<int> GeometricAltitude { get; set; }

Public Property GeometricAltitude As Nullable(Of Integer)
	Get
	Set

public:
property Nullable<int> GeometricAltitude {
	Nullable<int> get ();
	void set (Nullable<int> value);
}

member GeometricAltitude : Nullable<int> with get, set