Range Slider bug when moving sliders

2023 10 19
1 个回答
回答已采纳
更新时间：2023 10 19
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1 个投票

Hi all,
I'm trying to use the Range Slider in app designer:
fig = uifigure;
sld = uislider(fig,"range");
But even the above minimalistic example results in the following error as soon as I drag one of the sliders:
Error in executing callback registered with ViewModel:
No public property 'PrivateValue' for class 'RangeSlider'.
I'm using a MacBookPro M2 and 23.2.0.2320655 (R2023b) Prerelease Update 3 and wondering if the problem is Apple silicon specific or if this is a general problem. Either way, I would much appreciate any inputs on how to solve this.

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 采纳的回答

Jan Zbinden
Jan Zbinden 2023-10-19

0 个投票

Found the answer to my problem when digging in the code of the app designer components. The property access of the LimitedRangeValueComponent class (found in the folder toolbox/matlab/uicomponents/uicomponents/+matlab/+ui/+control/+internal/+model/+mixin) might be buggy.
The current code of LimitedRangeValueComponent is:
properties(Access = {?matlab.ui.control.internal.model.LimitedValueComponent, ...
?appdesservices.internal.interfaces.controller.AbstractController})
% Internal properties
%
% These exist to provide:
% - fine grained control to each properties
% - circumvent the setter, because sometimes multiple properties
% need to be set at once, and the object will be in an
% inconsistent state between properties being set
PrivateValue = [0 100];
end
Changing it to the following fixes the problem
properties(Access = public)
% Internal properties
%
% These exist to provide:
% - fine grained control to each properties
% - circumvent the setter, because sometimes multiple properties
% need to be set at once, and the object will be in an
% inconsistent state between properties being set
PrivateValue = [0 100];
end
Not an elegant solution, but it works.

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