// Common.info(1, "--------------> viewving "+screen.size());
if (c.getScreen() == null || c.getScreen().size() == 0)
return;
for (int i=0;i<c.getScreen().size();i++) {
ShownElement se = null;
try{
se = c.getScreen().get(i);
}catch(Exception ex)
{
Common.info(1," schermo modificato in concorrenza.");