public bool DoAction(int i)
{
if (i < 0 || i >= actions.Count)
{
return(false);
}
ActionDescriptor action = actions [i];
if (action.Pattern == null)
{
return(false);
}
try {
action.Delegate(action.Pattern);
return(true);
} catch (ElementNotEnabledException) {
return(false);
}
}