The handler will be attached to the DownloadedDirectoryProgressEvent which is fired as data
            is downloaded from Amazon S3.  The handler will be passed information detailing how much data
            has been downloaded as well as how much will be downloaded.
            
 Declaration Syntax
 Declaration Syntax| C# | 
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public TransferUtilityDownloadDirectoryRequest WithSubscriber( EventHandler<DownloadDirectoryProgressArgs> handler )
 Parameters
 Parameters- handler (EventHandler<(Of <(<'DownloadDirectoryProgressArgs>)>)>)
- A method that is called when UploadDirectoryProgressEvent is fired.
 Return Value
 Return Valuethis instance of the TransferUtilityUploadDirectoryRequest