public static void ExecuteOnVerticesRecursive <TVertex, TEdge>(this IBidirectionalGraph <TVertex, TEdge> graph,
TVertex rootVertex, EdgeDirection edgeDirection, Action <TVertex> actionOnVertex)
where TEdge : IEdge <TVertex>
{
actionOnVertex(rootVertex);
foreach (var layoutEdge in graph.GetEdges(rootVertex, edgeDirection))
{
var nextVertex = layoutEdge.GetEndVertex(edgeDirection);
graph.ExecuteOnVerticesRecursive(nextVertex, edgeDirection, actionOnVertex);
}
}