Setting UIFigure windowstyle to modal

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Hello i have been looking for a couple of days for answer to this but so far no luck.
According to this link: UIFigure I can set the windowstyle property of a UIFIgure to modal.
But when I try on code:
fig = uifigure;
fig.Name = 'Enter Background Gas Value';
fig.Resize = 'off';
fig.Position(1:2) = [400, 300];
fig.Position(3:4) = [800, 500];
fig.WindowStyle = 'modal';
catch ME
i get this error:
Functionality not supported with figures created with the uifigure function. For more information, see Graphics Support in App Designer.
Any idea what i am doing wrong? Thank you

Accepted Answer

Sarvani Panguluri
Sarvani Panguluri on 27 Nov 2020
Edited: Sarvani Panguluri on 27 Nov 2020
The WindowStyle property is new and has been made available from MATLAB R2020b .So,in case you are using a version prior to that,it would cause error.You can check the Release Notes to know all the new and updated features.
Hope this helps!
Alejandro Alonso Canales
Alejandro Alonso Canales on 27 Nov 2020
Thank you. Do you know any workaround for previous versions?
Emmanuel Cherin
Emmanuel Cherin on 23 Feb 2022
The WindowStyle property is actually not new. In version of Matlab prior to R2020b, it is accessible for figure objects generated by a call to 'figure', or to GUI figures generated using GUIDE. For figures generated by a call to 'uifigure' or using appdesigner, only some of their properties can be changed (look for " UI Figure (App Designer) Properties" in Matlab help)

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