CloudBlockBlob.DownloadRangeToByteArray Method
Downloads 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)
Syntax
'Declaration
<DoesServiceRequestAttribute> _
Public Function DownloadRangeToByteArray ( _
target As Byte(), _
index As Integer, _
blobOffset As Nullable(Of Long), _
length As Nullable(Of Long), _
<OptionalAttribute> Optional accessCondition As AccessCondition = Nothing, _
<OptionalAttribute> Optional options As BlobRequestOptions = Nothing, _
<OptionalAttribute> Optional operationContext As OperationContext = Nothing _
) As Integer
[DoesServiceRequestAttribute]
public int DownloadRangeToByteArray (
byte[] target,
int index,
Nullable<long> blobOffset,
Nullable<long> length,
[OptionalAttribute] AccessCondition accessCondition,
[OptionalAttribute] BlobRequestOptions options,
[OptionalAttribute] OperationContext operationContext
)
[DoesServiceRequestAttribute]
public:
virtual int DownloadRangeToByteArray (
array<unsigned char>^ target,
int index,
Nullable<long long> blobOffset,
Nullable<long long> length,
[OptionalAttribute] AccessCondition^ accessCondition,
[OptionalAttribute] BlobRequestOptions^ options,
[OptionalAttribute] OperationContext^ operationContext
) sealed
Parameters
- 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.
- accessCondition
An AccessCondition object that represents the condition that must be met in order for the request to proceed.
- options
A BlobRequestOptions object that specifies additional options for the request. Ifnull
, default options are applied to the request.
- operationContext
An OperationContext object that represents the context for the current operation.
Return Value
The total number of bytes read into the buffer.
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.
Platforms
Development Platforms
Windows Vista, Windows 7 and Windows Server 2008
See Also
Reference
CloudBlockBlob Class
CloudBlockBlob Members
Microsoft.WindowsAzure.Storage.Blob Namespace