I couldn't work with WPF so I used elementHost in Winform.
In my project (graph draw with Graph#) I can draw vertices and edges but I couldn't put label on edges.
Code :
string[] vertices = new string[] { "A", "B", "C" };
var g = new BidirectionalGraph<object, IEdge<object>>();
g.AddVertexRange(vertices);
g.AddEdge(new Edge<object>(vertices[0], vertices[1]));
g.AddEdge(new Edge<object>(vertices[1], vertices[2]));
g.AddEdge(new Edge<object>(vertices[0], vertices[2]));
graphLayout.Graph = g;