Get the selected value in a popup menu with a set

Question

jacques baptiste 2018-4-3

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https://ww2.mathworks.cn/matlabcentral/answers/392305-get-the-selected-value-in-a-popup-menu-with-a-set

评论： jacques baptiste 2018-4-5

Hello,

Is is possible to set the list of the popup menu (with set(handles.....)) and still get which one is selected? I did use set to have my different choices in the popup menu. But when i want to know which one is selected, it gives me the list that i had set... How can i get the selected value only?

if true
te = T(:,3); %one column of an excel file with number (101-109, 201-209,...409)
set(handles.popupname, 'String', table2array(te));
end

Thank you

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Answer 1

Geoff Hayes 2018-4-3

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https://ww2.mathworks.cn/matlabcentral/answers/392305-get-the-selected-value-in-a-popup-menu-with-a-set#answer_313283

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jacques - if you want to get the selected item you would first get the index of the selected value

idx = get(handles.popupname,'Value');

Once you have the index, you can then determine which is the selected item from your list

 items = get(handles.popupmenu1,'String')
 selectedItem = items{idx};

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jacques baptiste 2018-4-5

Thanks, i didn't know that i could have the index ! :)

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Answer 2

Image Analyst 2018-4-3

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https://ww2.mathworks.cn/matlabcentral/answers/392305-get-the-selected-value-in-a-popup-menu-with-a-set#answer_313284

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Try this:

allItems = handles.popupname.String;     % A cell array of all strings in the popup.
selectedIndex = handles.popupname.Value; % An integer saying which item has been selected.
selectedItem = allItems{selectedIndex};  % The one, single string which was selected.