The “bar” in the WAITBAR figure is a patch object. Use the FINDOBJ function to find the patch handle. For more information about FINDOBJ, see the documentation:
doc findobj
or
web([docroot '/techdoc/ref/findobj.html'])
or
<http://www.mathworks.com/access/helpdesk/help/techdoc/ref/findobj.html>
To change the color of the patch you need to change its properties ‘EdgeColor’ and ‘FaceColor’. The example below describes how to do that:
h=waitbar(0, 'Please wait...');
hw=findobj(h,'Type','Patch');
set(hw,'EdgeColor',[0 1 0],'FaceColor',[0 1 0]) % changes the color to green
for i=1:1000
waitbar(i/1000)
end
close(h)
For more information about PATCH properties see the documentation:
web([docroot '/techdoc/ref/patch_props.html'])
or
<http://www.mathworks.com/access/helpdesk/help/techdoc/ref/patch_props.html>
