how to associate the drop down selection with a number

if f==33

app.PeriodicityDropDown.Value='fd' (first position in items)

if f==56

app.PeriodicityDropDown.Value= 'bv' (second position in items)

i want to associated number to value position in menu

Answer 1

[Cris LaPierre]

Use the ItemsData property. See this Answer: https://www.mathworks.com/matlabcentral/answers/1975764-is-there-a-way-to-edit-the-own-items-of-an-editable-uidropdown-where-mutiple-items-can-be-the-same#answer_1247234