Exemple #1
0
 public static Node GetNextNode(Node startingNode, int searchOffset)
 {
     if (searchOffset == 0)
     {
         return(startingNode);
     }
     if (searchOffset > 0)
     {
         ForwardNodeEnumerator iterator = new ForwardNodeEnumerator(startingNode, true);
         while (searchOffset-- >= 0 && iterator.MoveNext())
         {
             ;
         }
         return(iterator.Current);
     }
     if (searchOffset < 0)
     {
         ReverseNodeEnumerator iterator = new ReverseNodeEnumerator(startingNode, true);
         while (searchOffset++ <= 0 && iterator.MoveNext())
         {
             ;
         }
         return(iterator.Current);
     }
     return(null);
 }
Exemple #2
0
		public static IEnumerable ReverseNodeIterator(Node firstNode, Node lastNode, bool mustBeVisible)
		{
			bool m_done = false;
			ReverseNodeEnumerator iterator = new ReverseNodeEnumerator(firstNode, mustBeVisible);
			while (iterator.MoveNext())
			{
				if (m_done)
					break;
				if (iterator.Current == lastNode)
					m_done = true;
				yield return iterator.Current;
			}
		}