CloudFile.OpenWrite Method

Reference

Definition

Namespace:: Microsoft.Azure.Storage.File

Assembly:: Microsoft.Azure.Storage.File.dll

Package:: Microsoft.Azure.Storage.File v11.2.3

Important

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Opens a stream for writing to the file. If the file already exists, then existing data in the file may be overwritten.

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual Microsoft.Azure.Storage.File.CloudFileStream OpenWrite (long? size, Microsoft.Azure.Storage.AccessCondition accessCondition = default, Microsoft.Azure.Storage.File.FileRequestOptions options = default, Microsoft.Azure.Storage.OperationContext operationContext = default);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member OpenWrite : Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext -> Microsoft.Azure.Storage.File.CloudFileStream
override this.OpenWrite : Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext -> Microsoft.Azure.Storage.File.CloudFileStream

Public Overridable Function OpenWrite (size As Nullable(Of Long), Optional accessCondition As AccessCondition = Nothing, Optional options As FileRequestOptions = Nothing, Optional operationContext As OperationContext = Nothing) As CloudFileStream

Parameters

size: Nullable<Int64>

The size of the file to create, in bytes, or null. If null, the file must already exist. If not null, a new file of the given size will be created. If size is not null but the file already exists on the service, the already-existing file will be deleted.