AvalonStudio.TextEditor.Document.TextAnchorTree.InsertAsLeft C# (CSharp) Method

		private void InsertAsLeft(TextAnchorNode parentNode, TextAnchorNode newNode)
		{
			Debug.Assert(parentNode.left == null);
			parentNode.left = newNode;
			newNode.parent = parentNode;
			newNode.color = RED;
			UpdateAugmentedData(parentNode);
			FixTreeOnInsert(newNode);
		}