displaying contents in a list bx after button press

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Gurvinder
Gurvinder 2013-8-18
Hi I have a GUI, in which i press a button and it obtains all he file names from my database. I then want this to be displayed within a list box but can't get the list box to update can someone help please?
here is my code so far:
% --- Executes on button press in pushbutton7.
function pushbutton7_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton7 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global str;
str = getfilenames;
disp(str);
% --- Executes during object creation, after setting all properties.
function listbox1_CreateFcn(hObject, eventdata, handles)
% hObject handle to listbox1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: listbox controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'),
get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
global str;
set(hObject, 'String', str2 );

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-8-18
Your code is not clear for me, but I see that you are creating a list in the listbox callback while you should do it in the push button callback
  2 个评论
Gurvinder
Gurvinder 2013-8-18
Sorry here you go
function pushbutton7_Callback(hObject, eventdata, handles) global str;
str = getfilenames;
disp(str);
the above push button in my gui is calling another function i made to obtain all the file names.
I want it to update my listbox below once i click the button but don't know how...code for list box below:
function listbox1_CreateFcn(hObject, eventdata, handles) global str;
set(hObject, 'String', str2 );
could you provide an example of what you mean or know of any documentation that i could read to help?
Azzi Abdelmalek
Azzi Abdelmalek 2013-8-18
编辑：Azzi Abdelmalek 2013-8-18
Use
function pushbutton7_Callback(hObject, eventdata, handles)
str = getfilenames;
set(handles.listbox1, 'String', str );

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