Control of several regions ' hide / show ' with a single button, how can I do?

I have a series of reports that use a model "Hide and Show region." When reports are posted at the beginning they are all closed. What I want, it's has the option to create a button (or what ever) that I can mark "Expand All". When the button is clicked, all regions "unmask" and when you click it again they are all nearby. Also, I don't want this facility to interfere with the ability of the user to open/close a single report. Some reports are conditional and others are not.

Environment: Release of APEX 5.0, issue 21, Oracle DB 11.2.0.4, Red Hat Enterprise Linux AS 4

Thanks for the info. It worked.

Tags: Database

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