Matlab GUI Button Press Fetches Image url and Show Image

gistfile1.txt

% --- Executes on button press in pushbutton2.
function pushbutton2_Callback(hObject, eventdata, handles)


handles.output = hObject;
[fn pn] = uigetfile('*.png','select png file');
complete = strcat(pn,fn);
set(handles.edit1,'string',complete);
I = imread(complete);
imshow(I,[]);
guidata(hObject, handles);