CloudFile.ExistsAsync Method
Definition
Important
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Overloads
| ExistsAsync(FileRequestOptions, OperationContext) |
Returns a task that performs an asynchronous request to check existence of the file. |
| ExistsAsync(FileRequestOptions, OperationContext, CancellationToken) |
Returns a task that performs an asynchronous request to check existence of the file. |
| ExistsAsync() |
Returns a task that performs an asynchronous request to check existence of the file. |
| ExistsAsync(CancellationToken) |
Returns a task that performs an asynchronous request to check existence of the file. |
ExistsAsync(FileRequestOptions, OperationContext)
Returns a task that performs an asynchronous request to check existence of the file.
[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (Microsoft.Azure.Storage.File.FileRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext);[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member ExistsAsync : Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext -> System.Threading.Tasks.Task<bool>Public Overridable Function ExistsAsync (options As FileRequestOptions, operationContext As OperationContext) As Task(Of Boolean)Parameters
- options
- FileRequestOptions
A FileRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext
An OperationContext object that represents the context for the current operation.
Returns
A Task<TResult> object that represents the current operation.
- Attributes
Applies to
ExistsAsync(FileRequestOptions, OperationContext, CancellationToken)
Returns a task that performs an asynchronous request to check existence of the file.
[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (Microsoft.Azure.Storage.File.FileRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, System.Threading.CancellationToken cancellationToken);[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member ExistsAsync : Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>Public Overridable Function ExistsAsync (options As FileRequestOptions, operationContext As OperationContext, cancellationToken As CancellationToken) As Task(Of Boolean)Parameters
- options
- FileRequestOptions
A FileRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext
An OperationContext object that represents the context for the current operation.
- cancellationToken
- CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Returns
A Task<TResult> object that represents the current operation.
- Attributes
Applies to
ExistsAsync()
Returns a task that performs an asynchronous request to check existence of the file.
[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync ();[<Microsoft.Azure.Storage.DoesServiceRequest>]
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 that represents the current operation.
- Attributes
Applies to
ExistsAsync(CancellationToken)
Returns a task that performs an asynchronous request to check existence of the file.
[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual System.Threading.Tasks.Task<bool> ExistsAsync (System.Threading.CancellationToken cancellationToken);[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member ExistsAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>
override this.ExistsAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>Public Overridable Function ExistsAsync (cancellationToken As CancellationToken) As Task(Of Boolean)Parameters
- cancellationToken
- CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Returns
A Task<TResult> object that represents the current operation.
- Attributes
Applies to
Azure SDK for .NET