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.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public Stream OpenStream( TransferUtilityOpenStreamRequest request )
 Parameters
 Parameters- request (TransferUtilityOpenStreamRequest)
- Contains all the parameters required to open a stream to an S3 object.
 Return Value
 Return Value
            	A stream of the contents from Amazon S3.