[Octave-bug-tracker] [bug #41573] Reparented axes are not drawn

[Rik]

Follow-up Comment #1, bug #41573 (project octave):

Are they not drawn, or simply not refreshed?

The code works for me if I explicity click in the blank canvas of the figure. 
This seems to be an issue with the OpenGL renderer not understanding that the
figure has been invalidated and needs to be refreshed.  This worked for me


figure (1);
figure (2);
hax = gca;
plot (1:10);  # just to show something
## Re-position windows so that they don't overlap and both are visible
set (hax, 'parent', 1)
## Both figure are blank now
## Click on blank canvas of figure 1, plot will be shown
set (hax, 'parent', 2)
## Both figure are blank now
## Click on blank canvas of figure 2, plot will be shown




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