IOExtensionsReadBytesExactAsync - метод

public static Task<byte[]> ReadBytesExactAsync(
	this Stream stream,
	int length,
	CancellationToken cancellationToken = default
)

<ExtensionAttribute>
Public Shared Function ReadBytesExactAsync ( 
	stream As Stream,
	length As Integer,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Byte())

public:
[ExtensionAttribute]
static Task<array<unsigned char>^>^ ReadBytesExactAsync(
	Stream^ stream, 
	int length, 
	CancellationToken cancellationToken = CancellationToken()
)

[<ExtensionAttribute>]
static member ReadBytesExactAsync : 
        stream : Stream * 
        length : int * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<byte[]>