public void register(WorkMate wm)
{
if (list.Contains(wm))
{
return;
}
list.Add(wm);
wm.setMed(this);
}
public void relay(WorkMate wm)
{
foreach (var item in list)
{
if (item != wm)
{
item.receive(wm.context);
}
}
}
