CloudBlockBlob.OpenWriteAsync Method (AccessCondition, BlobRequestOptions, OperationContext)

Windows Runtime Azure Storage Client Library

Opens a stream for writing to the blob.

Namespace: Microsoft.WindowsAzure.Storage.Blob
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)

Usage

Visual Basic
Dim instance As CloudBlockBlob
Dim accessCondition As AccessCondition
Dim options As BlobRequestOptions
Dim operationContext As OperationContext
Dim returnValue As IAsyncOperation(Of ICloudBlobStream)

returnValue = instance.OpenWriteAsync(accessCondition, options, operationContext)

Syntax

Visual Basic
Public Function OpenWriteAsync ( _
	accessCondition As AccessCondition, _
	options As BlobRequestOptions, _
	operationContext As OperationContext _
) As IAsyncOperation(Of ICloudBlobStream)
C#
public IAsyncOperation<ICloudBlobStream> OpenWriteAsync (
	AccessCondition accessCondition,
	BlobRequestOptions options,
	OperationContext operationContext
)
C++
public:
IAsyncOperation<ICloudBlobStream^>^ OpenWriteAsync (
	AccessCondition^ accessCondition, 
	BlobRequestOptions^ options, 
	OperationContext^ operationContext
)
J#
public IAsyncOperation<ICloudBlobStream> OpenWriteAsync (
	AccessCondition accessCondition, 
	BlobRequestOptions options, 
	OperationContext operationContext
)
JScript
public function OpenWriteAsync (
	accessCondition : AccessCondition, 
	options : BlobRequestOptions, 
	operationContext : OperationContext
) : IAsyncOperation<ICloudBlobStream>

Parameters

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

A stream to be used for writing to the blob.

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

Development Platforms

Windows Vista, Windows 7, Windows Server 2008, Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012

Target Platforms

See Also