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CloudFile.ExistsAsync Method

Definition

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