problem with questdlg!!

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Khaled Al-Faleh
Khaled Al-Faleh il 17 Apr 2017
Risposto: TED MOSBY il 20 Ago 2025 alle 10:18
I want the code run infinite but Here work for two times then he gave me an error the error is ...
Operation terminated by user during movegui (line 157)
In questdlg (line 393)
movegui(QuestFig)
In Project_Test (line 25)
button = questdlg(promptMessage, titleBarCaption, 'Draw', 'Cancel', 'Draw');
here the code ..
I = imread('--'); %any image
imshow(I);
count=1;
while(1)
promptMessage = sprintf('Select area!');
titleBarCaption = 'Continue?!';
button = questdlg(promptMessage, titleBarCaption, 'Draw', 'Cancel', 'Draw');
if strcmpi(button, 'Cancel')
count=count-1;
break;
end
S1 = imrect;
count=count+1;
end

Risposte (1)

TED MOSBY
TED MOSBY il 20 Ago 2025 alle 10:18
Hi,
You’re mixing two interactive things at the same time:
  • a modal dialog (questdlg) and
  • an interactive ROI tool (imrect).
The fix:
  1. Call questdlg.
  2. Handle “Cancel” or window close. If the user hits Cancel or closes the dialog, stop.
  3. After you start imrect, wait for the user to finish. Please note imrect is not recommended now, use drawrectangle. https://in.mathworks.com/help/images/ref/imrect.html
Hope it helps!

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