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