Here are the documents showing how to pass arguments between callbacks and functions:
http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F
http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F
If you want an example of this, take a look at my FEX submission cubhelix_view:
This function create a figure with a "demo" button: pressing this turn the demo on and off. It is based on a loop like this:
function chvDemo(tgh,~)
while ishghandle(tgh)&&get(tgh,'Value')
% loop code here
end
end
and is called from the button like this:
uicontrol(figH, 'Style','togglebutton', 'Max',1, 'Min',0, 'Callback',@chvDemo);
