public static T GetValueOrDefault<T>(
	this IAttributeTable attributeTable,
	Object key,
	T defaultValue
)
where T : class

<ExtensionAttribute>
Public Shared Function GetValueOrDefault(Of T As Class) ( 
	attributeTable As IAttributeTable,
	key As Object,
	defaultValue As T
) As T

public:
[ExtensionAttribute]
generic<typename T>
where T : ref class
static T GetValueOrDefault(
	IAttributeTable^ attributeTable, 
	Object^ key, 
	T defaultValue
)

[<ExtensionAttribute>]
static member GetValueOrDefault : 
        attributeTable : IAttributeTable * 
        key : Object * 
        defaultValue : 'T -> 'T  when 'T : not struct