CloudBlockBlob.DownloadBlockListAsync Method (BlockListingFilter, AccessCondition, BlobRequestOptions, OperationContext, CancellationToken) (Microsoft.WindowsAzure.Storage.Blob)

Initiates an asynchronous operation to return an enumerable collection of the blob's blocks, using the specified block list filter.

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

Syntax

C#

Copy Code

 

[DoesServiceRequestAttribute]
public virtual Task<IEnumerable<ListBlockItem>> DownloadBlockListAsync(
	BlockListingFilter blockListingFilter,
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext,
	CancellationToken cancellationToken
)

C++

Copy Code

 

public:
[DoesServiceRequestAttribute]
virtual Task<IEnumerable<ListBlockItem^>^>^ DownloadBlockListAsync(
	BlockListingFilter blockListingFilter,
	AccessCondition^ accessCondition,
	BlobRequestOptions^ options,
	OperationContext^ operationContext,
	CancellationToken cancellationToken
)

F#

Copy Code

 

[<DoesServiceRequestAttribute>]
abstract DownloadBlockListAsync : 
        blockListingFilter:BlockListingFilter *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        cancellationToken:CancellationToken -> Task<IEnumerable<ListBlockItem>>
[<DoesServiceRequestAttribute>]
override DownloadBlockListAsync : 
        blockListingFilter:BlockListingFilter *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        cancellationToken:CancellationToken -> Task<IEnumerable<ListBlockItem>>

VB

Copy Code

 

<DoesServiceRequestAttribute>
Public Overridable Function DownloadBlockListAsync (
	blockListingFilter As BlockListingFilter,
	accessCondition As AccessCondition,
	options As BlobRequestOptions,
	operationContext As OperationContext,
	cancellationToken As CancellationToken
) As Task(Of IEnumerable(Of ListBlockItem))

Parameters

blockListingFilter

Type: Microsoft.WindowsAzure.Storage.Blob.BlockListingFilterMicrosoft.WindowsAzure.Storage.Blob::BlockListingFilterMicrosoft.WindowsAzure.Storage.Blob.BlockListingFilterMicrosoft.WindowsAzure.Storage.Blob.BlockListingFilter

A BlockListingFilter enumeration value that indicates whether to return committed blocks, uncommitted blocks, or both.

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.

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<IEnumerable<ListBlockItem>>System.Threading.Tasks::Task<IEnumerable<ListBlockItem^>^>^System.Threading.Tasks.Task<IEnumerable<ListBlockItem>>System.Threading.Tasks.Task(Of IEnumerable(Of ListBlockItem))

A Task<TResult><TResult><'TResult>(Of TResult) object that is an enumerable collection of type ListBlockItem that represents the asynchronous operation.

See Also

DownloadBlockListAsync Overload
CloudBlockBlob Class
Microsoft.WindowsAzure.Storage.Blob Namespace

Return to top