How do I create and use class constructors with app-wide scope in App Designer?

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MrToad 2022-5-25

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https://ww2.mathworks.cn/matlabcentral/answers/1727215-how-do-i-create-and-use-class-constructors-with-app-wide-scope-in-app-designer

回答： Nihal 2023-9-27

I am attempting to migrate a previously hand-coded GUI app (R2017b) that includes user-defined class constructors (as distinct m-files) into App Designer (R2021a). These constructors can be called anywhere in the original GUI; does anyone know how to implement this in App Designer?

Thanks!

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Answer 1

Nihal 2023-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/1727215-how-do-i-create-and-use-class-constructors-with-app-wide-scope-in-app-designer#answer_1319372

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I understand that you trying to create and use class constructor in App Designer.

In your app, create a new class file in the same folder as your app file. Define a handle class by creating a ‘classdef’ block. Below is the sample code.

classdef YourClassName < handle 
    % ... 
end 

Now define properties and methods in your class. To access the data object from within App Designer, create an instance of the class in your App Designer code and store it in a property of your app.

You can refer to this documentation for more detailed explanation: https://www.mathworks.com/help/matlab/creating_guis/organize-app-data-in-complex-apps-using-matlab-classes.html

I hope this information helps in resolving your query.