Listbox multiselect in app designer

I am using app designer, in my app, I want the user to be able to select multiple items from the Listbox. I want to do that with a button, as described in here:

From : https://www.mathworks.com/help/matlab/ref/uicontrol.html

Please help me with the code

* I have already checked the "Multiselect" in the List Box interactivity.

Answer 1

[Cris LaPierre]

See this example on the uilistbox documentation page.

Note that, in Windows at least, you must hold down the ctrl key while selecting multiple items by left clicking on them with the mouse.

[Lior Magen]

Thank you!!