Eric H. Jung wrote:
Thanks HJ and Neil for the replies. This has been very helpful. I will
implement it myself then, with an observer.
Any idea why I'd get an NS_NOINTERFACE exception with:
var treeBuilder =
tree.builder.QueryInterface(Components.interfaces.nsIXULTreeBuilder);
The line before it calls tree.builder.rebuild() -- and works -- so I'm
fairly certain tree.builder is valid...
Because nsIXULTreeBuilder is only implemented by tree builders
(flags="dont-build-content")
/ Neil
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