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FileRandomAccessStream.ReadAsync(IBuffer, UInt32, InputStreamOptions) Metodo

Definizione

Restituisce un oggetto lettore di byte asincrono.

public:
 virtual IAsyncOperationWithProgress<IBuffer ^, unsigned int> ^ ReadAsync(IBuffer ^ buffer, unsigned int count, InputStreamOptions options) = ReadAsync;
IAsyncOperationWithProgress<IBuffer, uint32_t> ReadAsync(IBuffer const& buffer, uint32_t const& count, InputStreamOptions const& options);
public IAsyncOperationWithProgress<IBuffer,uint> ReadAsync(IBuffer buffer, uint count, InputStreamOptions options);
function readAsync(buffer, count, options)
Public Function ReadAsync (buffer As IBuffer, count As UInteger, options As InputStreamOptions) As IAsyncOperationWithProgress(Of IBuffer, UInteger)

Parametri

buffer
IBuffer

Buffer in cui l'operazione di lettura asincrona inserisce i byte letti.

count
UInt32

unsigned int

uint32_t

Numero di byte da leggere minore o uguale al valore capacità .

options
InputStreamOptions

Specifica il tipo dell'operazione di lettura asincrona.

Restituisce

IAsyncOperationWithProgress<IBuffer,UInt32>

Windows.Foundation.IAsyncOperationWithProgress<Windows.Storage.Streams.IBuffer,unsigned int>

IAsyncOperationWithProgress<IBuffer,uint32_t>

Operazione asincrona.

Implementazioni

M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,System.UInt32,Windows.Storage.Streams.InputStreamOptions) M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,unsigned int,Windows.Storage.Streams.InputStreamOptions) M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,uint32_t,Windows.Storage.Streams.InputStreamOptions)

Si applica a