... in many places where the function call will later need to be between
modules (or libraries, or the executable) and the annotation will be a necessity
to keep the linkage working on Windows.
That's all that this sweeping commit does.
... Not the most satisfactory fix, but in fact no dangling pointers will
happen with the code we have now, because the relevant windows are all destroyed
only at the end of AudacityProject's lifetime, including the non-modal windows
(macros, history, lyrics, mixer board, plot spectrum, and contrast) which
are hidden and shown again, not destroyed and recreated, when dismissed and
reopened.
To do: figure out how to make wxWeakRef work on that combination without
crashing.
... Generalizing what was first done at 280e8d9 for certain menu command
handlers.
Allow core data structures to host data attached by other code, on which it
need have no compilation or link dependencies.
Paul Licameli
Henric Jungheim