Initiates the asynchronous execution of the CopyObject operation. 
            
 Declaration Syntax
 Declaration Syntax| C# | 
public IAsyncResult BeginCopyObject( CopyObjectRequest request, AsyncCallback callback, Object state )
 Parameters
 Parameters- request (CopyObjectRequest)
- The CopyObjectRequest that defines the parameters of the operation.
- callback (AsyncCallback)
- An AsyncCallback delegate that is invoked when the operation completes.
- state (Object)
- A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback procedure using the AsyncState property.
 Return Value
 Return ValueAn IAsyncResult that can be used to poll or wait for results, or both; 
            this value is also needed when invoking EndCopyObject.
 Exceptions
 Exceptions| Exception | Condition | 
|---|---|
| ArgumentNullException | |
| WebException | |
| AmazonS3Exception | 
 See Also
 See AlsoCopyObject()()()()