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CloudBlockBlob.DownloadRangeToStreamAsync Method (Stream, Nullable, Nullable, AccessCondition, BlobRequestOptions, OperationContext)

Updated: May 15, 2014

Initiates an asynchronous operation to download a range of bytes from a blob to a stream.

Namespace: Microsoft.WindowsAzure.Storage.Blob
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)

public Task DownloadRangeToStreamAsync (
	Stream target,
	Nullable<long> offset,
	Nullable<long> length,
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext



A Stream object representing the target stream.


The offset at which to begin downloading the blob, in bytes.


The length of the data to download from the blob, in bytes.


An AccessCondition object that represents the condition that must be met in order for the request to proceed. If null, no condition is used.


A BlobRequestOptions object that specifies additional options for the request.


An OperationContext object that represents the context for the current operation.

Return Value

A Task object that represents the asynchronous operation.

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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