How can I change the icon of my AppDesigner-produced GUIs?
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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
on 19 Apr 2019
How do you change the icon in the upper left of the .mlappp GUI launched from AppDesigner?
![icon.jpg](https://www.mathworks.com/matlabcentral/answers/uploaded_files/215009/icon.jpeg)
Accepted Answer
Cris LaPierre
on 29 Oct 2020
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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More Answers (3)
Robert
on 29 Oct 2020
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';
Of course, you may have renamed the UIFIgure property of your app.
In R2016b and older, replace 'PlatformHost' with 'Container'.
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