Streams the PowerPointTemplate to the client.
responseAn HttpResponse to write the resulting PowerPoint file to.
Savewill throw this exception if it does not have a PowerPoint document handle (
Savecannot be called before
If the user chooses to open rather than save the file, it will open in the browser window. PowerPointWriter will set a default name for the file. To set a different file name and/or open the file in Microsoft PowerPoint, use the signature Save(HttpResponse,String,Bool)
You can call
Save more than once for a single instance of PowerPointTemplate. This allows you to save more than one copy of a generated file, and/or both save the file on the server and stream it to the client.