ExtensionsInsertRangeT - метод

public static void InsertRange<T>(
	this IList<T> items,
	int index,
	IReadOnlyList<T> insertingCollection
)

<ExtensionAttribute>
Public Shared Sub InsertRange(Of T) ( 
	items As IList(Of T),
	index As Integer,
	insertingCollection As IReadOnlyList(Of T)
)

public:
[ExtensionAttribute]
generic<typename T>
static void InsertRange(
	IList<T>^ items, 
	int index, 
	IReadOnlyList<T>^ insertingCollection
)

[<ExtensionAttribute>]
static member InsertRange : 
        items : IList<'T> * 
        index : int * 
        insertingCollection : IReadOnlyList<'T> -> unit