CloudBlob.ExistsAsync
CloudBlob.ExistsAsync
CloudBlob.ExistsAsync
Method
Definition
Overloads
ExistsAsync() ExistsAsync() ExistsAsync() |
Initiates an asynchronous operation to check existence of the blob. |
ExistsAsync(CancellationToken) ExistsAsync(CancellationToken) |
Initiates an asynchronous operation to check existence of the blob. |
ExistsAsync(BlobRequestOptions, OperationContext) ExistsAsync(BlobRequestOptions, OperationContext) |
Initiates an asynchronous operation to check existence of the blob. |
ExistsAsync(BlobRequestOptions, OperationContext, CancellationToken) ExistsAsync(BlobRequestOptions, OperationContext, CancellationToken) |
Initiates an asynchronous operation to check existence of the blob. |
ExistsAsync() ExistsAsync() ExistsAsync()
Initiates an asynchronous operation to check existence of the blob.
[Microsoft.WindowsAzure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync ();
abstract member ExistsAsync : unit -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : unit -> System.Threading.Tasks.Task<bool>
Public Overridable Function ExistsAsync () As Task(Of Boolean)
Returns
A Task<TResult> object of type bool
that represents the asynchronous operation.
ExistsAsync(CancellationToken) ExistsAsync(CancellationToken)
Initiates an asynchronous operation to check existence of the blob.
[Microsoft.WindowsAzure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (System.Threading.CancellationToken cancellationToken);
abstract member ExistsAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
Parameters
- cancellationToken
- CancellationToken CancellationToken CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Returns
A Task<TResult> object of type bool
that represents the asynchronous operation.
ExistsAsync(BlobRequestOptions, OperationContext) ExistsAsync(BlobRequestOptions, OperationContext)
Initiates an asynchronous operation to check existence of the blob.
[Microsoft.WindowsAzure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions options, Microsoft.WindowsAzure.Storage.OperationContext operationContext);
abstract member ExistsAsync : Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions * Microsoft.WindowsAzure.Storage.OperationContext -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions * Microsoft.WindowsAzure.Storage.OperationContext -> System.Threading.Tasks.Task<bool>
Parameters
A BlobRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext OperationContext OperationContext
An OperationContext object that represents the context for the current operation.
Returns
A Task<TResult> object of type bool
that represents the asynchronous operation.
ExistsAsync(BlobRequestOptions, OperationContext, CancellationToken) ExistsAsync(BlobRequestOptions, OperationContext, CancellationToken)
Initiates an asynchronous operation to check existence of the blob.
[Microsoft.WindowsAzure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions options, Microsoft.WindowsAzure.Storage.OperationContext operationContext, System.Threading.CancellationToken cancellationToken);
abstract member ExistsAsync : Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions * Microsoft.WindowsAzure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : Microsoft.WindowsAzure.Storage.Blob.BlobRequestOptions * Microsoft.WindowsAzure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
Parameters
A BlobRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext OperationContext OperationContext
An OperationContext object that represents the context for the current operation.
- cancellationToken
- CancellationToken CancellationToken CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Returns
A Task<TResult> object of type bool
that represents the asynchronous operation.