IStorageFileManagement.FileExistsAsync Method
Definition
Important
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Overloads
| FileExistsAsync(CloudFile, FileRequestOptions, OperationContext, CancellationToken) |
Returns a task that performs an asynchronous operation to determine whether a file exists. |
| FileExistsAsync(CloudFile, FileRequestOptions, OperationContext, CancellationToken) |
FileExistsAsync(CloudFile, FileRequestOptions, OperationContext, CancellationToken)
Returns a task that performs an asynchronous operation to determine whether a file exists.
public System.Threading.Tasks.Task<bool> FileExistsAsync (Microsoft.Azure.Storage.File.CloudFile file, Microsoft.Azure.Storage.File.FileRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, System.Threading.CancellationToken cancellationToken);abstract member FileExistsAsync : Microsoft.Azure.Storage.File.CloudFile * Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>Public Function FileExistsAsync (file As CloudFile, options As FileRequestOptions, operationContext As OperationContext, cancellationToken As CancellationToken) As Task(Of Boolean)Parameters
- file
- CloudFile
Indicating the reference of the file.
- options
- FileRequestOptions
A Microsoft.Azure.Storage.File.FileRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext
A Microsoft.WindowsAzure.Storage.OperationContext object that represents the context for the current operation.
- cancellationToken
- CancellationToken
A System.Threading.CancellationToken to observe while waiting for a task to complete.
Returns
A System.Threading.Tasks.Task object that represents the current operation.
Applies to
FileExistsAsync(CloudFile, FileRequestOptions, OperationContext, CancellationToken)
public System.Threading.Tasks.Task<bool> FileExistsAsync (Microsoft.WindowsAzure.Storage.File.CloudFile file, Microsoft.WindowsAzure.Storage.File.FileRequestOptions options, Microsoft.WindowsAzure.Storage.OperationContext operationContext, System.Threading.CancellationToken cancellationToken);abstract member FileExistsAsync : Microsoft.WindowsAzure.Storage.File.CloudFile * Microsoft.WindowsAzure.Storage.File.FileRequestOptions * Microsoft.WindowsAzure.Storage.OperationContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>Public Function FileExistsAsync (file As CloudFile, options As FileRequestOptions, operationContext As OperationContext, cancellationToken As CancellationToken) As Task(Of Boolean)Parameters
- file
- CloudFile
- options
- FileRequestOptions
- operationContext
- OperationContext
- cancellationToken
- CancellationToken