Unfortunately, not possible. Due to the way applicationdomains work, the Flex 3 swf will be forced to use classes from the Flex 2 loader and fail to load
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Scot Sent: Tuesday, December 11, 2007 7:52 AM To: [email protected] Subject: [flexcoders] SWFLoader to load Flex 3 swf inside Flex 2 app I am working on a project in Flex 2, but I need some of the new functionality of Flex 3 in one view. (The app is already in use by the client and they are not comfortable moving the entire app to Flex 3 while it is in Beta.) My thought is to create the view as a Flex 3 application and use the SWFLoader to load the swf into the current Flex 2 project. I will need to set variables and call methods of the loaded Flex 3 application. There is no problem doing this Flex 2 to Flex 2, but I just want to know if anyone has mixed versions successfully. Has anyone done this? Any reason why it should or shouldn't work that I need to consider before giving it a try? Scot Clausing

