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+--- Thread: Open document with disappearing DocumentViews? (/showthread.php?tid=257)
Open document with disappearing DocumentViews? - Rick Johnson - 12-01-2020
I'm working on a plugin with annotations and sometimes need to call currentDocument->currentView()->artworkPointToViewPoint(). Things had been working well, but something weird has started happening.
A dialog callback requires annotations and calls it, and it works fine.
Then custom art needs to be updated and calls currentDocument->currentView()->artworkPointToViewPoint() after being called by its custom art update message. At that time, currentDocument() is valid and viewCount() returns 1, but currentView() and viewAtIndex(0) both return NULL. So a call to artworkPointToViewPoint now leads to a crash. Can documentView not be called while custom art is updating? If that's OK, what else might I look at for a situation where view functions won't work?