Copies the files from this directory to the target directory specified by the bucket and object key.  Only
            files that have changed since the changeSince date will be copied.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public S3DirectoryInfo CopyTo( string newBucket, string newKey, DateTime changesSince )
 Return Value
 Return ValueS3DirectoryInfo for the target location.
 Exceptions
 Exceptions| Exception | Condition | 
|---|---|
| ArgumentException | |
| WebException | |
| AmazonS3Exception |