Storage Client Library for Windows Phone (Version 7.0)

Microsoft Windows Azure Storage Blob

Begins an asynchronous operation to download a range of bytes from a blob to a stream.

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

Syntax

 
[DoesServiceRequestAttribute]
public virtual ICancellableAsyncResult BeginDownloadRangeToStream(
	Stream target,
	Nullable<long> offset,
	Nullable<long> length,
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext,
	AsyncCallback callback,
	object state
)
 
public:
[DoesServiceRequestAttribute]
virtual ICancellableAsyncResult^ BeginDownloadRangeToStream(
	Stream^ target,
	Nullable<long long> offset,
	Nullable<long long> length,
	AccessCondition^ accessCondition,
	BlobRequestOptions^ options,
	OperationContext^ operationContext,
	AsyncCallback^ callback,
	Object^ state
)
 
[<DoesServiceRequestAttribute>]
abstract BeginDownloadRangeToStream : 
        target:Stream *
        offset:Nullable<int64> *
        length:Nullable<int64> *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
[<DoesServiceRequestAttribute>]
override BeginDownloadRangeToStream : 
        target:Stream *
        offset:Nullable<int64> *
        length:Nullable<int64> *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
 
<DoesServiceRequestAttribute>
Public Overridable Function BeginDownloadRangeToStream (
	target As Stream,
	offset As Nullable(OfLong),
	length As Nullable(OfLong),
	accessCondition As AccessCondition,
	options As BlobRequestOptions,
	operationContext As OperationContext,
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

Parameters

target
Type: System.IO.StreamSystem.IO::Stream^System.IO.StreamSystem.IO.Stream

A Stream object representing the target stream.

offset
Type: System.Nullable<Int64>System::Nullable<Int64>System.Nullable<Int64>System.Nullable(Of Int64)

The offset at which to begin downloading the blob, 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. If null, no condition is used.

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 to top