Enable/disable on radio button in app designer

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Jim McIntyre
Jim McIntyre 2025-6-25
评论： Jim McIntyre 2025-6-30
In App Designer, I have created a radio button group with three buttons. The buttons select which set of data to graph. Call the three buttons Choice1, Choice2, and Choice3.
If a certain selection of other controls is made in the app, I want to disable the Choice2 and Choice3 buttons and force the selected button to be Choice1.
If different set of selections is made, I want to re-enable the other Choice2 and Choice3 buttons and allow them to be selected.
Is it possible to do this? If so, how?

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采纳的回答

Walter Roberson
Walter Roberson 2025-6-25
You can create app.bg as a uibuttongroup and populate it with uiradiobutton .
Later, you can
bc = [app.bg.Children];
set(bc(1:end-1), 'Enable', 'off')
bc(end).Enable = 'on';
app.bg.SelectedObject = bc(end);
to enable the first button and disable the other objects.
To restore,
bc = [app.bg.Children];
set(bc, 'Enable', 'on');
app.bg.SelectedObject = bc(end);
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Walter Roberson
Walter Roberson 2025-6-25
You could set the UserData property of each of the button children, set it to an index. Then
app.bg.SelectedObject.UserData
would give you the index
Or you could
[tf, idx] = ismember(app.bg.SelectedObject, app.bg.Children);
and then if tf is true, idx would be the index in reverse creation order (e.g, if there were 3 children then index 3 would correspond to the first created.)

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