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

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Micke Malmström
Micke Malmström 2018-3-19
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
Marc McLean 2019-4-19
How do you change the icon in the upper left of the .mlappp GUI launched from AppDesigner?
icon.jpg

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采纳的回答

Cris LaPierre
Cris LaPierre 2020-10-29
Starting with R2020b, you can now specify custom icons for UI figure windows and toolbar push and toggle tools. See the release notes here.

更多回答（3 个）

li li
li li 2021-12-11
编辑：li li 2021-12-11
R2020b OR Last version
function startupFcn(app)
app.uifigure .Icon='logo.png';
end
OK!
Cris LaPierre
Cris LaPierre 2019-4-20
编辑：Cris LaPierre 2020-10-29
See this answer.
R2020b update: See this answer.
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Micke Malmström
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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Robert
Robert 2020-10-29
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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