error message in app designer when closing app

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Leon
Leon 2022 年 6 月 20 日
コメント済み: Leon 2022 年 6 月 20 日
Hello,
I have made an App that works ok hwoever when I close my app (made in app designer), I get the following error message in the Matlab Command screen:
Invalid or deleted object.
Error in Trade_App_1/startupFcn (line 27)
app.Label_1.Text = Label_L;
Error using matlab.apps.internal.GraphicsCallbackProxy/runCallbackFunction (line 23)
Error while evaluating GraphicsCallbackProxy CallbackFcn.
Can any one help? Thx in advance
Thx
Leon
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Leon
Leon 2022 年 6 月 20 日
Sorry the answer is of course for both Jan and Geoff

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Geoff Hayes
Geoff Hayes 2022 年 6 月 20 日
@Leon - rather than using a while loop to update your label (which I suspect is the cause of the error), I recommend using a timer instead to do the work that is in the body of the while loop. You would then start the timer and then later stop the timer as the app exits. This should prevent the error from occurring.
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Leon
Leon 2022 年 6 月 20 日
Thx for you answer Geoff, I will first work with to see if I can solve it. If not I will come back to you.
BR
Leon

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