On Monday, October 5, 2020 at 3:30:12 PM UTC-4, Edward K. Ream wrote:
>
> ...
>
>>
>> I had slightly modified this code.  But when I restored it to your 
>> version, I still found that a new ViewRenderedController3 object gets 
>> instantiated each time the rendering panel gets hidden and then shown.  
>> What's more, I find that the same happens with the current no-docks 
>> version of the VR plugin, too.
>>
>
> Ok. Let's agree not to worry about this for now. We both have more 
> important things to do.
>
> Good by me.  That's about where I was anyway.  For future reference, 
though, I've learned that when Python deletes a pyqt object, the underlying 
QT c/c++ object doesn't necessarily get deleted;  it's possible that only 
the python wrapper gets deleted.  The reverse can happen, too.  At some 
point, maybe I will understand this well enough to make useful suggestions.

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