public LargeGraphRenderer()
 {
     this.visitedGraph = null;
     this.positions = new VertexPointFDictionary();
     this.edgeVisible = true;
     this.edgeRenderer = new QuickGraph.Algorithms.Layout.EdgeRenderer();
     this.vertexVisible = true;
     this.vertexRenderer = new QuickGraph.Algorithms.Layout.VertexRenderer();
     this.layoutSize = new Size(800, 600);
 }
 public LargeGraphRenderer(IVertexAndEdgeListGraph visitedGraph)
 {
     this.visitedGraph = null;
     this.positions = new VertexPointFDictionary();
     this.edgeVisible = true;
     this.edgeRenderer = new QuickGraph.Algorithms.Layout.EdgeRenderer();
     this.vertexVisible = true;
     this.vertexRenderer = new QuickGraph.Algorithms.Layout.VertexRenderer();
     this.layoutSize = new Size(800, 600);
     if (visitedGraph == null)
     {
         throw new ArgumentNullException("visitedGraph");
     }
     this.visitedGraph = visitedGraph;
 }