void priorityIn(utList <tListEntry> list, System.Object target, int priority, bool paused)
        {
            tListEntry listEntry = new tListEntry();

            listEntry.target   = target;
            listEntry.priority = priority;
            listEntry.paused   = paused;
            MethodInfo method = target.GetType().GetMethod(updateSelector);

            listEntry.impMethod         = (TICK_IMP)Delegate.CreateDelegate(typeof(TICK_IMP), target, method);
            listEntry.markedForDeletion = false;

            utNode <tListEntry> listElement = new utNode <tListEntry> ();

            listElement.next = listElement.prev = null;
            listElement.obj  = listEntry;


            if (list.head == null)
            {
                list.DL_APPEND(listElement);
            }
            else
            {
                bool added = false;
                for (utNode <tListEntry> elem = list.head; elem != null; elem = elem.next)
                {
                    if (priority < elem.obj.priority)
                    {
                        if (elem == list.head)
                        {
                            list.DL_PREPEND(listElement);
                        }
                        else
                        {
                            listElement.next = elem;
                            listElement.prev = elem.prev;

                            elem.prev.next = listElement;
                            elem.prev      = listElement;
                        }
                        added = true;
                        break;
                    }
                }

                if (!added)
                {
                    list.DL_APPEND(listElement);
                }
            }
            tHashUpdateEntry hashElement = new tHashUpdateEntry();

            hashElement.target = target;
            hashElement.list   = list;
            hashElement.entry  = listElement;
            hashForUpdates.HASH_ADD_INT(target.GetHashCode(), hashElement);
        }
        public void addDelegate(System.Object aDelegate, int priority, utList <tListEntry> list)
        {
            tListEntry listEntry = new tListEntry();

            listEntry.aDelegate = aDelegate;
            listEntry.priority  = priority;

            utNode <tListEntry> listElement = new utNode <tListEntry> ();

            listElement.next = listElement.prev = null;
            listElement.obj  = listEntry;

            bool added = false;

            for (utNode <tListEntry> elem = list.head; elem != null; elem = elem.next)
            {
                if (priority < elem.obj.priority)
                {
                    if (elem == list.head)
                    {
                        list.DL_PREPEND(listElement);
                    }
                    else
                    {
                        listElement.next = elem;
                        listElement.prev = elem.prev;

                        elem.prev.next = listElement;
                        elem.prev      = listElement;
                    }

                    added = true;
                    break;
                }
            }

            // Not added? priority has the higher value. Append it.
            if (!added)
            {
                list.DL_APPEND(listElement);
            }
        }