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BlobBaseClient.DownloadStreamingAsync Method

Definition

The DownloadStreamingAsync(BlobDownloadOptions, CancellationToken) operation downloads a blob from the service, including its metadata and properties.

For more information, see Get Blob.

public virtual System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobDownloadStreamingResult>> DownloadStreamingAsync(Azure.Storage.Blobs.Models.BlobDownloadOptions options = default, System.Threading.CancellationToken cancellationToken = default);
abstract member DownloadStreamingAsync : Azure.Storage.Blobs.Models.BlobDownloadOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobDownloadStreamingResult>>
override this.DownloadStreamingAsync : Azure.Storage.Blobs.Models.BlobDownloadOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobDownloadStreamingResult>>
Public Overridable Function DownloadStreamingAsync (Optional options As BlobDownloadOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Response(Of BlobDownloadStreamingResult))

Parameters

options
BlobDownloadOptions

Optional parameters.

cancellationToken
CancellationToken

Returns

A Response<T> describing the downloaded blob. Content contains the blob's data.

Remarks

A RequestFailedException will be thrown if a failure occurs. If multiple failures occur, an AggregateException will be thrown, containing each failure instance.

This API gives access directly to network stream that should be disposed after usage. Consider the following alternatives:

  • DownloadContentAsync: as a prefered way of downloading small blobs that can fit into memory
  • DownloadToAsync: to stream blob content to a path or a Stream

Applies to