ICloudBlob.OpenRead(AccessCondition, BlobRequestOptions, OperationContext) Method

Definition

Opens a stream for reading from the blob.

public System.IO.Stream OpenRead (Microsoft.Azure.Storage.AccessCondition accessCondition = default, Microsoft.Azure.Storage.Blob.BlobRequestOptions options = default, Microsoft.Azure.Storage.OperationContext operationContext = default);
abstract member OpenRead : Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext -> System.IO.Stream
Public Function OpenRead (Optional accessCondition As AccessCondition = Nothing, Optional options As BlobRequestOptions = Nothing, Optional operationContext As OperationContext = Nothing) As Stream

Parameters

accessCondition
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
BlobRequestOptions

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

operationContext
OperationContext

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

Returns

Stream

A stream to be used for reading from the blob.

Remarks

Note that this method always makes a call to the FetchAttributes(AccessCondition, BlobRequestOptions, OperationContext) 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.

Applies to