Storage Client Library for Windows Phone (Version 7.0)

Initiates an asynchronous operation to delete the blob if it already exists.

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

Syntax

C#

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[DoesServiceRequestAttribute]
public virtual Task<bool> DeleteIfExistsAsync(
	DeleteSnapshotsOption deleteSnapshotsOption,
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext,
	CancellationToken cancellationToken
)

C++

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public:
[DoesServiceRequestAttribute]
virtual Task<bool>^ DeleteIfExistsAsync(
	DeleteSnapshotsOption deleteSnapshotsOption,
	AccessCondition^ accessCondition,
	BlobRequestOptions^ options,
	OperationContext^ operationContext,
	CancellationToken cancellationToken
)

F#

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[<DoesServiceRequestAttribute>]
abstract DeleteIfExistsAsync : 
        deleteSnapshotsOption:DeleteSnapshotsOption *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        cancellationToken:CancellationToken -> Task<bool>
[<DoesServiceRequestAttribute>]
override DeleteIfExistsAsync : 
        deleteSnapshotsOption:DeleteSnapshotsOption *
        accessCondition:AccessCondition *
        options:BlobRequestOptions *
        operationContext:OperationContext *
        cancellationToken:CancellationToken -> Task<bool>

VB

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<DoesServiceRequestAttribute>
Public Overridable Function DeleteIfExistsAsync (
	deleteSnapshotsOption As DeleteSnapshotsOption,
	accessCondition As AccessCondition,
	options As BlobRequestOptions,
	operationContext As OperationContext,
	cancellationToken As CancellationToken
) As Task(Of Boolean)

Parameters

deleteSnapshotsOption

Type: Microsoft.WindowsAzure.Storage.Blob.DeleteSnapshotsOptionMicrosoft.WindowsAzure.Storage.Blob::DeleteSnapshotsOptionMicrosoft.WindowsAzure.Storage.Blob.DeleteSnapshotsOptionMicrosoft.WindowsAzure.Storage.Blob.DeleteSnapshotsOption

Whether to only delete the blob, to delete the blob and all snapshots, or to only delete the snapshots.

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

A Task<TResult><TResult><'TResult>(Of TResult) object of type bool that represents the asynchronous operation.

See Also

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

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