WorkflowEngineHelperGetOrAddT(IList, Int32, String, T) - метод

Public Shared Function GetOrAdd(Of T) ( 
	fromList As IList,
	index As Integer,
	hashPath As String(),
	Optional defaultValue As T = Nothing
) As T

public:
generic<typename T>
static T GetOrAdd(
	IList^ fromList, 
	int index, 
	array<String^>^ hashPath, 
	T defaultValue = nullptr
)

static member GetOrAdd : 
        fromList : IList * 
        index : int * 
        hashPath : string[] * 
        ?defaultValue : 'T 
(* Defaults:
        let _defaultValue = defaultArg defaultValue null
*)
-> 'T