[LAD] Question about LV2 UI extension

I was looking at the (unfinished) example sampler plugin here:

https://gitorious.org/gabrbedd/lv2-sampler-example

I ran through the mental exercise of trying to figure out how to
finish it, and I have a question about the UI extension. How does a
UI tell its plugin to load a sample file? The example has a TODO in
its run function that indicates it will react to an LV2_Event that
contains a pathname for a file. I don't understand how a UI will
create this event.

On lv2plug.in, I see there's an experimental string-port extension
that defines a transfer mechanism for strings. Is this the
recommended method? Do any hosts support this extension?

There's also an atom extension, but I don't think I grok it yet. Can
I create a port of type atom:MessagePort? How does a UI make use of
that?
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Received on Sat Jul 30 16:15:01 2011