BlockBlobClient.OpenWriteAsync(Boolean, BlockBlobOpenWriteOptions, CancellationToken) Method

Definition

Opens a stream for writing to the blob. If the blob exists, it will be overwritten.

public virtual System.Threading.Tasks.Task<System.IO.Stream> OpenWriteAsync (bool overwrite, Azure.Storage.Blobs.Models.BlockBlobOpenWriteOptions options = default, System.Threading.CancellationToken cancellationToken = default);
abstract member OpenWriteAsync : bool * Azure.Storage.Blobs.Models.BlockBlobOpenWriteOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<System.IO.Stream>
override this.OpenWriteAsync : bool * Azure.Storage.Blobs.Models.BlockBlobOpenWriteOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<System.IO.Stream>
Public Overridable Function OpenWriteAsync (overwrite As Boolean, Optional options As BlockBlobOpenWriteOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Stream)

Parameters

overwrite
Boolean

Whether an existing blob should be deleted and recreated.

options
BlockBlobOpenWriteOptions

Optional parameters.

cancellationToken
CancellationToken

Optional CancellationToken to propagate notifications that the operation should be cancelled.

Returns

Task<Stream>

A stream to write to the Append Blob.

Remarks

A RequestFailedException will be thrown if a failure occurs.

Applies to