waitbar cancel doesn't work

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Pelajar UM
Pelajar UM on 25 Mar 2022
Commented: Rik on 25 Mar 2022
First of all it seems that this is common issue. I read all the topics I could find on the forum here, but there was no clear answer.
Adding drawnow didn't work.
And, Yes, the function is interruptible.
f = waitbar(0,'Loading','Name','Exporting...',...
'CreateCancelBtn','setappdata(gcbf,''canceling'',0)');
for k = 1:16
if getappdata(f,'canceling') == 1
break
end
figure('Visible', 'off');
ExpFig = trisurf(F,P(:,1),P(:,2),P(:,3),app.UITable4.Data(:,k));
exportgraphics(gcf, string(file) ,"BackgroundColor","none","ContentType","vector","Append",true);
close;
waitbar(k/16, f, sprintf('Export Progress: %d %%', floor (k/16*100)));
pause(0.1);
drawnow();
end
delete (f);
msgbox('Export Completed!');

Accepted Answer

Rik
Rik on 25 Mar 2022
You forgot to set the value first and you reversed 0 and 1:
f = waitbar(0,'Loading','Name','Exporting...',...
'CreateCancelBtn','setappdata(gcbf,''canceling'',1)');
setappdata(f,'canceling',0);
for k = 1:16
if getappdata(f,'canceling')
break
end
figure('Visible', 'off');
ExpFig = trisurf(F,P(:,1),P(:,2),P(:,3),app.UITable4.Data(:,k));
exportgraphics(gcf, string(file) ,"BackgroundColor","none","ContentType","vector","Append",true);
close;
waitbar(k/16, f, sprintf('Export Progress: %d %%', floor (k/16*100)));
pause(0.1);
drawnow();
end
delete (f);
msgbox('Export Completed!');
  6 Comments
Pelajar UM
Pelajar UM on 25 Mar 2022
While the answer from VBBV works, it seems like you cannot get rid of uifigure. Your last comment did the job. So the accepted answer goes to you! :)
Rik
Rik on 25 Mar 2022
You're welcome

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