PageBlobClient.CreateIfNotExistsAsync Method
Definition
Important
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The CreateIfNotExistsAsync(Int64, PageBlobCreateOptions, CancellationToken)
operation creates a new page blob of the specified size. If the blob already
exists, the content of the existing blob will remain unchanged. If the blob does not already exists,
a new page blob with the specified size will be created.
Azure.Storage.Blobs.Specialized.PageBlobClient.UploadPages(System.IO.Stream,System.Int64,System.Byte[],Azure.Storage.Blobs.Models.PageBlobRequestConditions,System.IProgress{System.Int64},System.Threading.CancellationToken) operation.
For more information, see https://docs.microsoft.com/rest/api/storageservices/put-blob.
public virtual System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobContentInfo>> CreateIfNotExistsAsync (long size, Azure.Storage.Blobs.Models.PageBlobCreateOptions options, System.Threading.CancellationToken cancellationToken = default);abstract member CreateIfNotExistsAsync : int64 * Azure.Storage.Blobs.Models.PageBlobCreateOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobContentInfo>>
override this.CreateIfNotExistsAsync : int64 * Azure.Storage.Blobs.Models.PageBlobCreateOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Blobs.Models.BlobContentInfo>>Public Overridable Function CreateIfNotExistsAsync (size As Long, options As PageBlobCreateOptions, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Response(Of BlobContentInfo))Parameters
- size
- Int64
Specifies the maximum size for the page blob, up to 8 TB. The size must be aligned to a 512-byte boundary.
- options
- PageBlobCreateOptions
Optional parameters.
- cancellationToken
- CancellationToken
Optional CancellationToken to propagate notifications that the operation should be cancelled.
Returns
If the page blob does not already exist, A Response<T>
describing the newly created page blob. Otherwise, null.
Remarks
A RequestFailedException will be thrown if a failure occurs.
