CardReaderReadHeaderAsync - метод

public Task<CardHeader> ReadHeaderAsync(
	CancellationToken cancellationToken = default
)

Public Function ReadHeaderAsync ( 
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of CardHeader)

public:
Task<CardHeader^>^ ReadHeaderAsync(
	CancellationToken cancellationToken = CancellationToken()
)

member ReadHeaderAsync : 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<CardHeader>