StorageExtensionsTryGetT - метод

public static T TryGet<T>(
	this IDictionary<string, Object> storage,
	string key,
	T defaultValue = null
)

<ExtensionAttribute>
Public Shared Function TryGet(Of T) ( 
	storage As IDictionary(Of String, Object),
	key As String,
	Optional defaultValue As T = Nothing
) As T

public:
[ExtensionAttribute]
generic<typename T>
static T TryGet(
	IDictionary<String^, Object^>^ storage, 
	String^ key, 
	T defaultValue = nullptr
)

[<ExtensionAttribute>]
static member TryGet : 
        storage : IDictionary<string, Object> * 
        key : string * 
        ?defaultValue : 'T 
(* Defaults:
        let _defaultValue = defaultArg defaultValue null
*)
-> 'T