Correct, You have to manually add the flex libraries in an AS3 library project if you want to use them.
Properties > Build Path > Library Path > Not sure what library it is, but probably the flex.swc, framework.swc or utilities.swc that would be included in the flex framework located at {install}\Flex SDK 2\frameworks\libs Perhaps someone more familiar with the sdk could tell you the exact swc b... ________________________________ From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of actionscript_czar Sent: Wednesday, April 04, 2007 10:15 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] mx.utils.ArrayUtil missing in AS3 project I don't know if this is because it is an AS3 project and not an MXML project but I'm running into this error when I try to use the ArrayUtil class: 1202: Access of undefined property ArrayUtil in package mx.utils. Is this class not available in an AS project? An really the code complete for that package is only finding 2 classes: NameUtil and StringUtil I can work around it but I'm worried about missing so much of the mx.utils class. *** The information in this e-mail is confidential and intended solely for the individual or entity to whom it is addressed. If you have received this e-mail in error please notify the sender by return e-mail delete this e-mail and refrain from any disclosure or action based on the information. ***