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CloudBlob.DownloadToStream Method (Stream, BlobRequestOptions)

Updated: April 24, 2013

[This topic is part of the Microsoft Azure Storage Client Library 1.7, which has been deprecated. See Storage Client Library for the latest version.]

Downloads the contents of a blob to a stream, using a conditional request based on the BlobRequestOptions that you specify.

Namespace: Microsoft.WindowsAzure.StorageClient
Assembly: Microsoft.WindowsAzure.StorageClient (in Microsoft.WindowsAzure.StorageClient.dll)

'Kullanım
Dim instance As CloudBlob
Dim target As Stream
Dim options As BlobRequestOptions

instance.DownloadToStream(target, options)

'Bildirim
Public Sub DownloadToStream ( _
	target As Stream, _
	options As BlobRequestOptions _
)

Parameters

target

Type: System.IO.Stream

The target stream.

options

Type: Microsoft.WindowsAzure.StorageClient.BlobRequestOptions

An object that specifies any additional options for the request.

The following code example appends the contents of a text blob to a local text file—and specifies a 20 second timeout on the operation.

static void AppendTextBlobToFile2(Uri blobEndpoint, string accountName, string accountKey)
{
    // Create service client for credentialed access to the Blob service.
    CloudBlobClient blobClient = new CloudBlobClient(blobEndpoint, new StorageCredentialsAccountAndKey(accountName, accountKey));

    // Get a reference to a blob.
    CloudBlob blob = blobClient.GetBlobReference("mycontainer/myblob.txt");

    // Set options for the request. E.g., Specify an operation timeout of 20 seconds.
    BlobRequestOptions options = new BlobRequestOptions();

    options.Timeout = TimeSpan.FromSeconds(20.0);

    // Download the blob to a file stream.
    FileStream stream = new FileStream("C:\\appendtofile.txt", FileMode.Append);

    blob.DownloadToStream(stream, options);
}

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

Windows Vista, Windows 7, Windows Server 2008, Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012

 

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