How do I generate a listbox that contains a list of all the files in a directory?

How do I generate a listbox that contains a list of all the files in a directory? How can I write a callback so that I can load a selected file?

Answer 1

[MathWorks Support Team]

In order to create a listbox with the names of files, you first need to create the list:

list = dir('*.m');

This returns a structure in the variable "list". In order to extract the filenames from this structure you should do the following:

filelist = {list.name};

The following can be used to create a listbox containing these filenames:

h = uicontrol('Style','listbox','Units','Normalized',...

'Position',[.1 .1 .4 .8],'String',filelist)

In order to load a selected file, you can use either the callback of the ListBox or create another uicontrol to load the selected file. Here is an example of how to write the CallBack for the ListBox we already created:

set(h,'Callback',['s=get(gco,''string'');' ...

'v=get(gco,''value'');open(s{v,:})']);

In addition, if you are using GUIDE, use the CallBack editor to assign the CreateFcn of the listbox:

list = dir('*.m');

str = {list.name};

set(gcbo,'str',str)

There are also MATLAB Central file submissions that show how ths can be done:

 <http://www.mathworks.com/matlabcentral/fileexchange/10867-uipickfiles-uigetfile-on-steroids>

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