MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Especificações descarregar pdf (Página 180)

5 GUI Applications

5-14

index_selected = get(handles.listbox1,'Value');

file_list = get(handles.listbox1,'String');

filename = file_list{index_selected}; % Item selected in list box

if handles.is_dir(handles.sorted_index(index_selected)) % If directory

cd (filename)

load_listbox(pwd,handles) % Load list box with new directory

else

[path,name,ext,ver] = fileparts(filename);

switch ext

case '.fig'

guide (filename) % Open FIG-file with guide command

otherwise

try

open(filename) % Use open for other file types

catch

errordlg(lasterr,'File Type Error','modal')

end

Opening Unknown File Types

You can extend the file types that the open command recognizes to include any

file having a three-character extension. You do this by creating an M-file with

the name

openxyz, where xyz is the extension. Note that the list box callback

does not take this approach for FIG-files since

openfig.m is required by the

GUI M-file. See

open for more information.

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Especificações Página 180