private void ClearEdgeBluePrint()
{
if (edgeBlueprint == null)
{
return;
}
graphArea.RemoveCustomChildControl(edgeBlueprint.EdgePath);
edgeBlueprint.Dispose();
edgeBlueprint = null;
}
/// <summary>
/// Creates a new edge blueprint on the scene
/// </summary>
/// <param name="source">Source vertex for a edge bluepting</param>
public void CreateVirtualEdge(VertexControl source)
{
edgeBlueprint = new EdgeBlueprint(source, (SolidColorBrush)resourceDictionary["EdgeArrowBrush"]);
graphArea.InsertCustomChildControl(0, edgeBlueprint.EdgePath);
}