App Designer return from function if ui directory is closed using uiopen

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Paige 2022-12-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1868698-app-designer-return-from-function-if-ui-directory-is-closed-using-uiopen

回答： Amal Raj 2023-3-20

Hi, I've got two functions that saves and loads multiple ui table data. They work fine when files are selcted but for load it throws an error when the ui directory to search for a file/folder is closed/exited. How can I determine that its been closed to return from the function ? Im using uiopen.

(for refernce I did get it to work using save with save(fullfile(Location, name), 'a','b',etc) where location = uigetdir. using if location==0 then return.)

Thanks in advance :)

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Answer 1

Amal Raj 2023-3-20

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https://ww2.mathworks.cn/matlabcentral/answers/1868698-app-designer-return-from-function-if-ui-directory-is-closed-using-uiopen#answer_1196375

If I understand your question correctly, you want to detect if the directory selected by the user using uiopen has been closed/exited so that you can return from the function.

One approach you can take is to use a try-catch block to catch the error thrown by uiopen when the directory is closed/exited.