NumberExtensionsIsKnown(NumberLocationType) - метод

public static bool IsKnown(
	this NumberLocationType type
)

<ExtensionAttribute>
Public Shared Function IsKnown ( 
	type As NumberLocationType
) As Boolean

public:
[ExtensionAttribute]
static bool IsKnown(
	NumberLocationType^ type
)

[<ExtensionAttribute>]
static member IsKnown : 
        type : NumberLocationType -> bool