How to pass the value from GUIDE to app designer (local parameter to class def parameter)

Hi here

i have a question about how to pass the value to app designer.

example is:

in GUIDE (ui.m)

function ui_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

a = 5;

ui_app_designer; % this is app designer file (ui_app_designer.mlapp)

call app designer(ui_app_designer.mlapp)

classdef ui_app_designer < matlab.apps.AppBase

    % Properties that correspond to app components
    properties (Access = public)
        UIFigure                    matlab.ui.Figure
        
    end

    
    properties (Access = public)
        Property % Description
        a = ui.a; % this is wrong but how can i get the value a from ui.m ?
    end
end

if you know, please tell me.

thank you very much.

[Mohammad Sami]

In app designer add a startup function with a as an argument.

you can then assign it to a property in the app

function startupFcn(app,a)
    app.a = a;
end

the in guide you can call it as a follows

ui_app_designer(a);

[Lin Leo]

Sami, thanks your reply.

i have a relate question.

in picture, app designer create the startupFcn but it can't edit, so i can't set the a value on startupFcn(app,a).

How can i edit this?

thank you.

[Mohammad Sami]

Click App Input Arguments button in app designer. You will then get a pop up. Type comma separated list of variables that you need the app to accept.

[Lin Leo]

Wow

Thank you very much.

i success to pass the value from guide to app designer!