How do I make a growing listbox?

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Anthony Gaetani 2020-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/515456-how-do-i-make-a-growing-listbox

评论： Ameer Hamza 2020-4-5

I have a pushbutton that prints a string in Value 1 of the listbox. I want to add more strings to the listbox, but i keep getting this message: Single-selection 'listbox' control requires that 'Value' be an integer within Character vector range. Basically, I want to be able to keep adding strings to my listbox, as in, adding a string as Value 2, Value 3, etc.

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Answer 1

Ameer Hamza 2020-4-5

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Are you using uilistbox? Try this

u = uilistbox('Items', {'item1', 'item2', 'item3'}); % original uilist have 3 items
% add a new item
u.Items(end+1) = {'item4'};

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Anthony Gaetani 2020-4-5

I am not using uilistbox. I have a pushbutton that is supposed to send a value (ex: '2') to the listbox. Instead of adding this value to the next item, it replaces the first one.