[DefaultValueAttribute(typeof(LineFrequency), "Hz60")]
public LineFrequency NominalFrequency { get; set; }

<DefaultValueAttribute(GetType(LineFrequency), "Hz60")> _
Public Property NominalFrequency As LineFrequency
	Get
	Set

[DefaultValueAttribute(typeof(LineFrequency), L"Hz60")]
public:
property LineFrequency NominalFrequency {
	LineFrequency get ();
	void set (LineFrequency value);
}