Deletes the blob if it already exists.
Namespace: Microsoft.WindowsAzure.Storage.Blob
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)
Usage
| Visual Basic |
|---|
Dim instance As CloudBlockBlob
Dim deleteSnapshotsOption As DeleteSnapshotsOption
Dim accessCondition As AccessCondition
Dim options As BlobRequestOptions
Dim operationContext As OperationContext
Dim returnValue As IAsyncOperation(Of Boolean)
returnValue = instance.DeleteIfExistsAsync(deleteSnapshotsOption, accessCondition, options, operationContext) |
Syntax
| Visual Basic |
|---|
Public Function DeleteIfExistsAsync ( _
deleteSnapshotsOption As DeleteSnapshotsOption, _
accessCondition As AccessCondition, _
options As BlobRequestOptions, _
operationContext As OperationContext _
) As IAsyncOperation(Of Boolean) |
| C# |
|---|
public IAsyncOperation<bool> DeleteIfExistsAsync (
DeleteSnapshotsOption deleteSnapshotsOption,
AccessCondition accessCondition,
BlobRequestOptions options,
OperationContext operationContext
) |
| C++ |
|---|
public:
virtual IAsyncOperation<bool>^ DeleteIfExistsAsync (
DeleteSnapshotsOption deleteSnapshotsOption,
AccessCondition^ accessCondition,
BlobRequestOptions^ options,
OperationContext^ operationContext
) sealed |
| J# |
|---|
public final IAsyncOperation<boolean> DeleteIfExistsAsync (
DeleteSnapshotsOption deleteSnapshotsOption,
AccessCondition accessCondition,
BlobRequestOptions options,
OperationContext operationContext
) |
| JScript |
|---|
public final function DeleteIfExistsAsync (
deleteSnapshotsOption : DeleteSnapshotsOption,
accessCondition : AccessCondition,
options : BlobRequestOptions,
operationContext : OperationContext
) : IAsyncOperation<boolean> |
Parameters
- deleteSnapshotsOption
Whether to only delete the blob, to delete the blob and all snapshots, or to only delete the snapshots.
- accessCondition
An AccessCondition object that represents the access conditions for the blob. If null, no condition is used.
- 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 already existed and was deleted; otherwise,
false.
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
