public void AddNode(AffectedGraphNode affectedGraphNode)
 {
     if (affectedGraphNode == null) return;
     if (!_nodes.ContainsKey(affectedGraphNode.FullName))
     {
         _nodes.Add(affectedGraphNode.FullName, affectedGraphNode);
     }
 }
 public void AddNode(AffectedGraphNode affectedGraphNode)
 {
     if (affectedGraphNode == null)
     {
         return;
     }
     if (!_nodes.ContainsKey(affectedGraphNode.FullName))
     {
         _nodes.Add(affectedGraphNode.FullName, affectedGraphNode);
     }
 }