IItemPropertyValue - свойство

[CanBeNullAttribute]
string Value { get; set; }

<CanBeNullAttribute>
Property Value As String
	Get
	Set

[CanBeNullAttribute]
property String^ Value {
	String^ get ();
	void set (String^ value);
}

[<CanBeNullAttribute>]
abstract Value : string with get, set