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To use this method, pass a string containing XML. It does not matter where the XML was originally stored. All that matters is that the one parameter you pass contains XML with one <Control> element. Each XML element is documented on the wiki, but you'll want to start with the <Control> element and work your way down.

NOTE:  Do not As of 4.0.2, you can call this method multiple times . It is designed to be called only once. If as long as you call the Clear method before each Init method. If you need to add new elements without clearing first, see the AddControls, AddGroups, and AddTabs methods.

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