save variables gui

Hellow, i want to save variables in my gui witch i ask in a checkbox,listbox,edit text and so on... i know how to select it, but i want to save it so i can use it in another gui and other functions. After help i used this form but i get the next error. Please help!

function ls_Callback(hObject, eventdata, handles)
  % hObject    handle to ls (see GCBO)
  % eventdata  reserved - to be defined in a future version of MATLAB
  % handles    structure with handles and user data (see GUIDATA)
  ls = str2double(get(hObject,'String')) %to convert to double
  handles.ls = ls;
  guidata(handles);

To use it i try: handles = guidata(YourFigureNumber); and then use handles.ls this is the error message:

        ??? Error using ==> guidata at 89
        H must be the handle to a figure or figure descendent.
        Error in ==> DA>ls_Callback at 444
        guidata(handles);
        Error in ==> gui_mainfcn at 96
                feval(varargin{:});
        Error in ==> DA at 42
            gui_mainfcn(gui_State, varargin{:});
        Error in ==> @(hObject,eventdata)DA('ls_Callback',hObject,eventdata,guidata(hObject))
        ??? Error while evaluating uicontro  l Callbac

Answer 1

[Paulo Silva]

Make sure that YourFigureNumber is really one handle to a figure, figure1 usually works to specify the GUI figure handle.

Answer 2

[Walter Roberson]

Within the context of a callback for the same figure, you can replace YourFigureNumber with hObject.