How can I change the icon of my AppDesigner-produced GUIs?

Question

Micke Malmström 2018-3-19

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https://ww2.mathworks.cn/matlabcentral/answers/389213-how-can-i-change-the-icon-of-my-appdesigner-produced-guis

编辑： li li 2021-12-11

I would like to easily distinguage my GUI from the figures when pressing Alt+Tab so I can access it faster. Now when I run the GUIs they have the same icon as a regular figure...

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Marc McLean 2019-4-19

How do you change the icon in the upper left of the .mlappp GUI launched from AppDesigner?

Mohammed Majid Msallam 2020-3-4

also me

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Answer 1

Cris LaPierre 2020-10-29

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https://ww2.mathworks.cn/matlabcentral/answers/389213-how-can-i-change-the-icon-of-my-appdesigner-produced-guis#answer_527918

Starting with R2020b, you can now specify custom icons for UI figure windows and toolbar push and toggle tools. See the release notes here.

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Answer 2

li li 2021-12-11

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https://ww2.mathworks.cn/matlabcentral/answers/389213-how-can-i-change-the-icon-of-my-appdesigner-produced-guis#answer_852715

编辑：li li 2021-12-11

R2020b OR Last version

function startupFcn(app)

app.uifigure .Icon='logo.png';

end

OK!

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Answer 3

Cris LaPierre 2019-4-20

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https://ww2.mathworks.cn/matlabcentral/answers/389213-how-can-i-change-the-icon-of-my-appdesigner-produced-guis#answer_371420

编辑：Cris LaPierre 2020-10-29

See this answer.

R2020b update: See this answer.

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Micke Malmström 2020-3-5

Note that I dont want to change the icon of the Matlab application (which "this answer" says you cant and which is understandable). I only want to change the icon of one particular figure window, so that I can find it easily when I have >25 figures open at the same time.

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Answer 4

Robert 2020-10-29

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https://ww2.mathworks.cn/matlabcentral/answers/389213-how-can-i-change-the-icon-of-my-appdesigner-produced-guis#answer_527908

Add this to your startupFcn:

t       = 0;
tMax    = 5;
dt      = 0.1;
while ~isfield(struct(struct(app.UIFigure).Controller), 'PlatformHost') && t < tMax
    % Keep waiting until the window is found.
    t = t + dt;
    pause(dt)
end
win = struct(struct(struct(app.UIFigure).Controller).PlatformHost).CEF;
win.Icon = 'C:\Folder\MyIcon.ico';