Thanks , but am trying for some thing with out any Pattern.
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A pattern is just a guide to solving common problems.
Essentially, you need to save the state of an object in a way that allows you to revert to one of those states at a time of your choosing.
This is a comp-sci problem, not a Flash/Actionscript/Flex problem, hence my suggestion to use an established design pattern aimed at solving this common comp-sci problem.
i have cairngorm on mind to implement.but wanted to know if i could acheive it with out any pattern.