Esporta (0) Stampa
Espandi tutto
EN
Il contenuto non è disponibile nella lingua di destinazione, ma solo in inglese.

CloudBlockBlob.OpenRead Method

Updated: May 15, 2014

Opens a stream for reading from the blob.

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

'Dichiarazione
<DoesServiceRequestAttribute> _
Public Function OpenRead ( _
	<OptionalAttribute> Optional accessCondition As AccessCondition = Nothing, _
	<OptionalAttribute> Optional options As BlobRequestOptions = Nothing, _
	<OptionalAttribute> Optional operationContext As OperationContext = Nothing _
) As Stream

Parameters

accessCondition

An AccessCondition object that represents the condition that must be met in order for the request to proceed. If null, no condition is used.

options

A BlobRequestOptions object that specifies additional options for the request. If null, default options are applied to the request.

operationContext

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

Return Value

A Stream object to be used for reading from the blob.

Note that this method always makes a call to the FetchAttributes method under the covers.

Set the StreamMinimumReadSizeInBytes property before calling this method to specify the minimum number of bytes to buffer when reading from the stream. The value must be at least 16 KB.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

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

 

Microsoft sta conducendo un sondaggio in linea per comprendere l'opinione degli utenti in merito al sito Web di MSDN. Se si sceglie di partecipare, quando si lascia il sito Web di MSDN verrà visualizzato il sondaggio in linea.

Si desidera partecipare?
Mostra:
© 2015 Microsoft