How to read popup menu string and use it in another button function? MATLAB GUI

I have a problem with reading a popup menu string and using it in a switch-case function in another button. My popup menu shouldn't have any function but indicating the value. But the button should know the value of popup menu and switch the case according to it. Thanks in advance.

My code:

 function pushbutton1_Callback(hObject, eventdata, handles)

 switch popupmenu4value

    case 'A'
%function of A
    case 'B'
%function of B

 function popupmenu4_Callback(hObject, eventdata, handles)

 contents = get(handles.popupmenu4,'String'); 
 popupmenu4value = contents{get(handles.popupmenu4,'Value')};

Answer 1

[Walter Roberson]

http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.3F

contents = get(handles.popupmenu4,'String'); 
popupmenu4value = contents{get(handles.popupmenu4,'Value')};

[Ekin]

Thanks for answer.

But it gives me "Undefined function or variable 'popupmenu4value'." on "switch" line of the button when i press the button.

[Walter Roberson]

function pushbutton1_Callback(hObject, eventdata, handles)
  contents = get(handles.popupmenu4,'String'); 
  popupmenu4value = contents{get(handles.popupmenu4,'Value')};
  switch popupmenu4value

      case 'A'
        %function of A
      case 'B'
        %function of B
    end

and clear out your function popupmenu4_Callback as it will not be needed.

[Ekin]

Thanks solved!

[Image Analyst]

Mark as "Accepted" then, so people like me don't have to waste time and come in and read all the way to the bottom only to discover it's been solved already.

Answer 2

[wassim sam]

3ib 3lik