ICloudBlob.BeginExists Method

Definition

Overloads

BeginExists(AsyncCallback, Object)

Begins an asynchronous request to check existence of the blob.

BeginExists(BlobRequestOptions, OperationContext, AsyncCallback, Object)

Begins an asynchronous request to check existence of the blob.

BeginExists(AsyncCallback, Object)

Begins an asynchronous request to check existence of the blob.

public Microsoft.Azure.Storage.ICancellableAsyncResult BeginExists (AsyncCallback callback, object state);
abstract member BeginExists : AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
Public Function BeginExists (callback As AsyncCallback, state As Object) As ICancellableAsyncResult

Parameters

callback
AsyncCallback

An AsyncCallback delegate that will receive notification when the asynchronous operation completes.

state
Object

A user-defined object that will be passed to the callback delegate.

Returns

ICancellableAsyncResult

An ICancellableAsyncResult that references the asynchronous operation.

Applies to

BeginExists(BlobRequestOptions, OperationContext, AsyncCallback, Object)

Begins an asynchronous request to check existence of the blob.

public Microsoft.Azure.Storage.ICancellableAsyncResult BeginExists (Microsoft.Azure.Storage.Blob.BlobRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, AsyncCallback callback, object state);
abstract member BeginExists : Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
Public Function BeginExists (options As BlobRequestOptions, operationContext As OperationContext, callback As AsyncCallback, state As Object) As ICancellableAsyncResult

Parameters

options
BlobRequestOptions

A BlobRequestOptions object that specifies additional options for the request.

operationContext
OperationContext

An OperationContext object that represents the context for the current operation.

callback
AsyncCallback

An AsyncCallback delegate that will receive notification when the asynchronous operation completes.

state
Object

A user-defined object that will be passed to the callback delegate.

Returns

ICancellableAsyncResult

An ICancellableAsyncResult that references the asynchronous operation.

Applies to