Storage Client Library for Windows Phone (Version 7.0)

Begins 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)

Syntax

C#

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[DoesServiceRequestAttribute]
public virtual ICancellableAsyncResult BeginDownloadRangeToByteArray(
	byte[] target,
	int index,
	Nullable<long> blobOffset,
	Nullable<long> length,
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext,
	AsyncCallback callback,
	object state
)

C++

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public:
[DoesServiceRequestAttribute]
virtual ICancellableAsyncResult^ BeginDownloadRangeToByteArray(
	array<unsigned char>^ target,
	int index,
	Nullable<long long> blobOffset,
	Nullable<long long> length,
	AccessCondition^ accessCondition,
	BlobRequestOptions^ options,
	OperationContext^ operationContext,
	AsyncCallback^ callback,
	Object^ state
)

F#

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[<DoesServiceRequestAttribute>]
abstract BeginDownloadRangeToByteArray : 
        target:byte[] *
        index:int *
        blobOffset:Nullable<int64> *
        length:Nullable<int64> *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
[<DoesServiceRequestAttribute>]
override BeginDownloadRangeToByteArray : 
        target:byte[] *
        index:int *
        blobOffset:Nullable<int64> *
        length:Nullable<int64> *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult

VB

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<DoesServiceRequestAttribute>
Public Overridable Function BeginDownloadRangeToByteArray (
	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,
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

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 to download from the blob, 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.

callback

Type: System.AsyncCallbackSystem::AsyncCallback^System.AsyncCallbackSystem.AsyncCallback

An AsyncCallback delegate that will receive notification when the asynchronous operation completes.

state

Type: System.ObjectSystem::Object^System.ObjectSystem.Object

A user-defined object that will be passed to the callback delegate.

Return Value

Type: Microsoft.WindowsAzure.Storage.ICancellableAsyncResultMicrosoft.WindowsAzure.Storage::ICancellableAsyncResult^Microsoft.WindowsAzure.Storage.ICancellableAsyncResultMicrosoft.WindowsAzure.Storage.ICancellableAsyncResult

An ICancellableAsyncResult that references the asynchronous operation.

See Also

BeginDownloadRangeToByteArray Overload
CloudBlob Class
Microsoft.WindowsAzure.Storage.Blob Namespace

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