Initiates an asynchronous operation to download a range of bytes from a blob to a byte array.
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)
Syntax
Task<int> DownloadRangeToByteArrayAsync( byte[] target, int index, Nullable<long> blobOffset, Nullable<long> length, AccessCondition accessCondition, BlobRequestOptions options, OperationContext operationContext, CancellationToken cancellationToken )
Task<int>^ DownloadRangeToByteArrayAsync( array<unsigned char>^ target, int index, Nullable<long long> blobOffset, Nullable<long long> length, AccessCondition^ accessCondition, BlobRequestOptions^ options, OperationContext^ operationContext, CancellationToken cancellationToken )
abstract DownloadRangeToByteArrayAsync :
target:byte[] *
index:int *
blobOffset:Nullable<int64> *
length:Nullable<int64> *
accessCondition:AccessCondition *
options:BlobRequestOptions *
operationContext:OperationContext *
cancellationToken:CancellationToken -> Task<int>
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, cancellationToken As CancellationToken ) As Task(Of Integer)
Parameters
- target
-
Type:
System.Byte[]array<System::Byte>^System.Byte[]System.Byte()
The target byte array.
- index
-
Type:
System.Int32System::Int32System.Int32System.Int32
The starting offset in the byte array.
- blobOffset
-
Type:
System.Nullable<Int64>System::Nullable<Int64>System.Nullable<Int64>System.Nullable(Of Int64)
The starting offset of the data range, in bytes.
- length
-
Type:
System.Nullable<Int64>System::Nullable<Int64>System.Nullable<Int64>System.Nullable(Of Int64)
The length of the data range, in bytes.
- accessCondition
-
Type:
Microsoft.WindowsAzure.Storage.AccessConditionMicrosoft.WindowsAzure.Storage::AccessCondition^Microsoft.WindowsAzure.Storage.AccessConditionMicrosoft.WindowsAzure.Storage.AccessCondition
An AccessCondition object that represents the condition that must be met in order for the request to proceed.
- options
-
Type:
Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptionsMicrosoft.WindowsAzure.Storage.Blob::BlobRequestOptions^Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptionsMicrosoft.WindowsAzure.Storage.Blob.BlobRequestOptions
A BlobRequestOptions object that specifies additional options for the request.
- operationContext
-
Type:
Microsoft.WindowsAzure.Storage.OperationContextMicrosoft.WindowsAzure.Storage::OperationContext^Microsoft.WindowsAzure.Storage.OperationContextMicrosoft.WindowsAzure.Storage.OperationContext
An OperationContext object that represents the context for the current operation.
- cancellationToken
-
Type:
System.Threading.CancellationTokenSystem.Threading::CancellationTokenSystem.Threading.CancellationTokenSystem.Threading.CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Return Value
Type: System.Threading.Tasks.Task<Int32>System.Threading.Tasks::Task<Int32>^System.Threading.Tasks.Task<Int32>System.Threading.Tasks.Task(Of Int32)A Task object of type int that represents the asynchronous operation.
See Also
DownloadRangeToByteArrayAsync Overload
ICloudBlob Interface
Microsoft.WindowsAzure.Storage.Blob Namespace