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)
Usage
| Visual Basic |
|---|
Dim instance As CloudPageBlob
Dim target As Byte()
Dim index As Integer
Dim blobOffset As Nullable(Of Long)
Dim length As Nullable(Of Long)
Dim accessCondition As AccessCondition
Dim options As BlobRequestOptions
Dim operationContext As OperationContext
Dim returnValue As IAsyncOperation(Of Integer)
returnValue = instance.DownloadRangeToByteArrayAsync(target, index, blobOffset, length, accessCondition, options, operationContext) |
Syntax
| Visual Basic |
|---|
Public Function DownloadRangeToByteArrayAsync ( _
target As Byte(), _
index As Integer, _
blobOffset As Nullable(Of Long), _
length As Nullable(Of Long), _
accessCondition As AccessCondition, _
options As BlobRequestOptions, _
operationContext As OperationContext _
) As IAsyncOperation(Of Integer) |
| C# |
|---|
public IAsyncOperation<int> DownloadRangeToByteArrayAsync (
byte[] target,
int index,
Nullable<long> blobOffset,
Nullable<long> length,
AccessCondition accessCondition,
BlobRequestOptions options,
OperationContext operationContext
) |
| C++ |
|---|
public:
virtual IAsyncOperation<int>^ DownloadRangeToByteArrayAsync (
array<unsigned char>^ target,
int index,
Nullable<long long> blobOffset,
Nullable<long long> length,
AccessCondition^ accessCondition,
BlobRequestOptions^ options,
OperationContext^ operationContext
) sealed |
| J# |
|---|
public final IAsyncOperation<int> DownloadRangeToByteArrayAsync (
byte[] target,
int index,
Nullable<long> blobOffset,
Nullable<long> length,
AccessCondition accessCondition,
BlobRequestOptions options,
OperationContext operationContext
) |
| JScript |
|---|
public final function DownloadRangeToByteArrayAsync (
target : byte[],
index : int,
blobOffset : Nullable<long>,
length : Nullable<long>,
accessCondition : AccessCondition,
options : BlobRequestOptions,
operationContext : OperationContext
) : IAsyncOperation<int> |
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 range, in bytes.
- accessCondition
An AccessCondition object that represents the access conditions for the blob.
- options
A BlobRequestOptions object that specifies additional options for 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
See Also
