MATLAB: Can i control Pop up menu depending on other pop up menu drop down

guiMATLABmatlab guipop up menu

Hello all,

I have two pop up menus namely pop1 and pop 2 with selections 1,2,3 each respectively. is it possible to implement like if i select 1 in pop1 automatically even in pop2 1 should be selected.

Best Answer

Yes.

function Pop1_Callback(hObject, eventdata, handles)
if isequal(hObject.Value, 1)
    handles.Pop2.Value = 1;
end

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Value = 2;
set(handles.popupmenu, 'Value', Value);

'Value' refers to the "Value" property of the pop up menu. The second Value refers to the actual value you want to set the "Value" property to.

Vlad - assuming that you are using GUIDE to create your GUI, suppose your five popup menus are named popupmenu1, popupmenu2,..., popupmenu5. If we assume that only numeric data has populated each of your popup menus, then the callback for your push button would look something like

 function pushbutton1_Callback(hObject, eventdata, handles)
 % get the list of items in the first popup menu
 menu1List = get(handles.popupmenu1,'String');
 % get the selected item in the first popup menu and convert to a number
 menu1Item = str2num(menu1List{get(handles.popupmenu1,'Value')});

You would then just repeat the above code for the remaining four popup menus and do whatever operation you need against them.

Best Answer

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