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From Alex Harui <>
Subject Re: Editing SDK within Flash Builder
Date Mon, 31 Dec 2012 16:51:29 GMT

On 12/31/12 7:38 AM, "Matt Hughes" <> wrote:

> Is there some guide for editing SDK classes within Flash Builder?
> I have installed Flex 4.9 and have also downloaded the source.  I tried
> just removing the mx.swc and framework.swc from the Build Path Libraries
> and then adding the respective src folders.  That seems to get me closer,
> but now I have lots of errors because I don't have the config variable:
> CONFIG::performanceInstrumentation
> defined.  I'm trying to investigate a possible bug in the SDK while running
> a small test project.  I'd like to make changes to some SDK classes and see
> if that resolves my problem.  I couldn't find any guides on the main Flex
> page or on the Apache Flex wiki on getting this set up.
I don't know if there is one correct way of setting this up.  Each swc
folder should have FlashBuilder project files in it so you can import each
folder as a project and set up your test app as dependent on those projects.

As a shortcut for your current setup, I think you can just define that
variable in the compiler options (and set it to false).

Alex Harui
Flex SDK Team
Adobe Systems, Inc.

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