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I have a toolbar extension that generates dynamic toolbarbutton and menuitem elements. These items … Read more How To Properly Set Events For Dynamic Xul Elements?

Recently a friend of mine and I have been working on a Firefox extension. He handed the code to me … Read more What Does Paragraph About Figuring Out Xul Elements Mean In Mdn Document: "how To Convert An Overlay Extension To Restartless"

I have a Xul window that is transparent, and I need to hide the mouse cursor after 1 second. Applyi… Read more In Xul, Within A Transparent Window, How Do I Hide The Mouse Cursor?

I'm one of the developers of TryAgain, a Firefox add-on, that displays a custom error page when… Read more Creating A Xul Button Gives "component Failure Code"

I have an environment called $REP, how can I access the value of this variable using Xulrunner in a… Read more In Xul, How To Retrieve An Environment Variable?

I already created an extension that does the following: When I run Thinderbird with the command lin… Read more Thunderbid Extension: Open Eml File

I am creating a firefox extension that has a button on the toolbar that will show below custom cont… Read more Passing Values To Iframe Inside Xul Panel

Once, I tried adding a button with 'bookmark-item pagerank' as class to PersonalToolbar. No… Read more I Try To Add A New Button To Firefox, But It's The Old Button That Gets Added!