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Strange UI behaviour in App Designer

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John F
John F 2022-4-26
编辑： John F 2022-4-29
I am designing an app in App Designer but sometimes when I run the app the UI becomes broken (see first image) and I have to run the app again for the UI to render as intended (see second image). I have used the 2-Panel App with Auto-Reflow template to start designing this app. I'm not providing any code snippets as I don't know where the problem might originate from and because the problem appears even if I don't make any changes that affect the UI of the app.
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Kevin Holly
Kevin Holly 2022-4-28
编辑：Kevin Holly 2022-4-28
@John F I had an issue with an app while using Auto-Reflow in the past when I used the unsupported normalized units. Switching back to pixel units resolved my issue. So, I'm not 100% sure that its the issue, just a guess based on my past experience. As for an example, I would add the following line after adjusting the position of your axes (assuming you did this programmatically after converting to normalize units):
app.UIAxes.Units = 'pixels'
Giving it a second look, I noticed you are using R2020b. Have you trying running the app in the lastest release?
John F
John F 2022-4-29
编辑：John F 2022-4-29
@Kevin Holly This seems to work if I use drawnow with it. For example:
drawnow
MyPanel = uipanel(app.LeftPanel,"Units","normalized", "Position",[0 0.8 1 0.2]);
drawnow
MyPanel.Units = 'pixels';
However, if I add this to non-problematic panels, it breaks the problematic one, which is strange.
Also, I can't test this in the latest release because R2020b is the newest version my licence gives me access to.

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