AWS SDK Version 3 for .NET
API Reference

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Returns a stream to read the contents from Amazon S3 as specified by the TransferUtilityOpenStreamRequest. The caller of this method is responsible for closing the stream.


This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginOpenStream and EndOpenStream.

Namespace: Amazon.S3.Transfer
Assembly: AWSSDK.S3.dll
Version: 3.x.y.z


public abstract Task<Stream> OpenStreamAsync(
         TransferUtilityOpenStreamRequest request,
         CancellationToken cancellationToken
Type: Amazon.S3.Transfer.TransferUtilityOpenStreamRequest

Contains all the parameters required for the OpenStream operation.

Type: System.Threading.CancellationToken

A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value
Type: Task<Stream>
The task object representing the asynchronous operation.

Version Information

.NET Standard:
Supported in: 1.3

.NET Framework:
Supported in: 4.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms