How to remove UI windows after a bug

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Thomas Barbier 2019-10-2

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https://ww2.mathworks.cn/matlabcentral/answers/483240-how-to-remove-ui-windows-after-a-bug

编辑： Adam Danz 2019-10-2

采纳的回答： Adam Danz

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Hi all,

I have a script that creates a waiting UI bar for the time of the for loop:

wb = waitbar(0,'Name','My waitBar');
for t = 0:t_end
    do_stuff(t, other_stuff);
    waitbar(t / span(end), wb);
end
delete(wb); 

However, when I try some things in do_stuff, I sometimes (often) have errors. So the script stops, but the UI windows remain and is impossible to close.

I thought a try/catch thing, but is there an easier way to get rig of those ghost windows?

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Adam Danz 2019-10-2

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https://ww2.mathworks.cn/matlabcentral/answers/483240-how-to-remove-ui-windows-after-a-bug#answer_394454

编辑：Adam Danz 2019-10-2

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I think it's a bad idea to automatically close the figure whenever there's an error since the figure may contain information that helps to diagnose the problem.

To close the figure manually, select the figure and then delete or force-close.

figure('CloseRequestFcn', [])
delete(gcf)
% or 
close(gcf,'force')

[Update]

To delete a stubborn ui figure, select it and use closereq.

uifigure('CloseRequestFcn',[])
closereq

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Thomas Barbier 2019-10-2

closereq works like a charm. Thank sa lot :)

Adam Danz 2019-10-2

编辑：Adam Danz 2019-10-2

Glad I could help.

There's nothing wrong with your interpretation of "UI Figure" since that's exactly what it implies - a user interface figure. However, matlab's function to create app designer figures is uifigure() which produces a different type of figure with different properties than figure(). Both can be used to create a user interface.

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