CloudBlockBlob.DownloadRangeToByteArrayAsync Method (Byte[], Int32, Nullable, Nullable)

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

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


<DoesServiceRequestAttribute> _
Public Function DownloadRangeToByteArrayAsync ( _
    target As Byte(), _
    index As Integer, _
    blobOffset As Nullable(Of Long), _
    length As Nullable(Of Long) _
) As Task(Of Integer)
public Task<int> DownloadRangeToByteArrayAsync (
    byte[] target,
    int index,
    Nullable<long> blobOffset,
    Nullable<long> length
virtual Task<int>^ DownloadRangeToByteArrayAsync (
    array<unsigned char>^ target, 
    int index, 
    Nullable<long long> blobOffset, 
    Nullable<long long> length
) sealed


  • target
    The target byte array.
  • index
    The starting offset in the byte array.
  • blobOffset
    The starting offset of the data range, in bytes.
  • length
    The length of the data to download from the blob, in bytes.

Return Value

A Task object of type int that represents the asynchronous operation.

Thread Safety

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 and Windows Server 2008

See Also


CloudBlockBlob Class
CloudBlockBlob Members
Microsoft.WindowsAzure.Storage.Blob Namespace