Checks existence of the blob.
Namespace: Microsoft.WindowsAzure.Storage.Blob
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)
Usage
| Visual Basic |
|---|
Dim instance As CloudPageBlob
Dim options As BlobRequestOptions
Dim operationContext As OperationContext
Dim returnValue As IAsyncOperation(Of Boolean)
returnValue = instance.ExistsAsync(options, operationContext) |
Syntax
| Visual Basic |
|---|
Public Function ExistsAsync ( _
options As BlobRequestOptions, _
operationContext As OperationContext _
) As IAsyncOperation(Of Boolean) |
| C# |
|---|
public IAsyncOperation<bool> ExistsAsync (
BlobRequestOptions options,
OperationContext operationContext
) |
| C++ |
|---|
public:
virtual IAsyncOperation<bool>^ ExistsAsync (
BlobRequestOptions^ options,
OperationContext^ operationContext
) sealed |
| J# |
|---|
public final IAsyncOperation<boolean> ExistsAsync (
BlobRequestOptions options,
OperationContext operationContext
) |
| JScript |
|---|
public final 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
See Also
