Close uialert - App designer

2022 3 10
1 个回答
更新时间：2022 3 12
9 次查看（30 天）

0 个投票

In App designer I have a function called
DayButtonPushed(app, event)
With the following code:
aFig = uifigure;
message = sprintf('March \n\nYear 2022');
uialert(aFig,message,'Info','Icon','info');
When I press the OK it does not close the background window. Therefore, how can I close all upon pressing ok (image attached)?

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回答（1 个）

Walter Roberson
Walter Roberson 2022-3-10

1 个投票

Why create a uifigure() there? uialert() will create its own uifigure()

6 个评论
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Ali razi
Ali razi 2022-3-10
This is what I see in the examples at https://www.mathworks.com/help/matlab/ref/uialert.html
Is their another way to solve it?
Walter Roberson
Walter Roberson 2022-3-10
Ah, I see.
It is a modal alert, so it will not return until the user has clicked. So after the uialert() call you can destroy the figure.
Ali razi
Ali razi 2022-3-11
if I add close(aFig); it automaticly close. Any idea how to solve it?
Walter Roberson
Walter Roberson 2022-3-11
I see what you mean.
I had a look in the source code, but the graphics works a completely different way for uifigure() and in the time I was willing to spend, I did not find a method.
Simon Chan
Simon Chan 2022-3-12
Add a CloseFcn may be a workaround if you don't want to use the uifigure anymore.
aFig = uifigure;
message = sprintf('March \n\nYear 2022');
uialert(aFig,message,'Info','Icon','info','CloseFcn',{@closefig,aFig});
function closefig(src,event,aFig)
delete(aFig)
end

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