ICloudBlob.ExistsAsync Method (BlobRequestOptions, OperationContext)

Windows Runtime Azure Storage Client Library

Checks whether the blob exists.

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

Usage

Visual Basic
Dim instance As ICloudBlob
Dim options As BlobRequestOptions
Dim operationContext As OperationContext
Dim returnValue As IAsyncOperation(Of Boolean)

returnValue = instance.ExistsAsync(options, operationContext)

Syntax

Visual Basic
Function ExistsAsync ( _
	options As BlobRequestOptions, _
	operationContext As OperationContext _
) As IAsyncOperation(Of Boolean)
C#
IAsyncOperation<bool> ExistsAsync (
	BlobRequestOptions options,
	OperationContext operationContext
)
C++
IAsyncOperation<bool>^ ExistsAsync (
	BlobRequestOptions^ options, 
	OperationContext^ operationContext
)
J#
IAsyncOperation<boolean> ExistsAsync (
	BlobRequestOptions options, 
	OperationContext operationContext
)
JScript
function ExistsAsync (
	options : BlobRequestOptions, 
	operationContext : OperationContext
) : IAsyncOperation<boolean>

Parameters

options

A BlobRequestOptions object that specifies additional options for the request.

operationContext

An OperationContext object that represents the context for the current operation.

Return Value

true if the blob exists.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

Windows Vista, Windows 7, Windows Server 2008, Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012

Target Platforms

See Also