private void ClearEdgeBp()
{
if (edgeBlueprint == null)
{
return;
}
graphArea.RemoveCustomChildControl(edgeBlueprint.EdgePath);
edgeBlueprint.Dispose();
edgeBlueprint = null;
}
public void CreateVirtualEdge(VertexControl source, Point mousePos)
{
edgeBlueprint = new EdgeBlueprint(source, mousePos, (LinearGradientBrush) resourceDictionary["EdgeBrush"]);
graphArea.InsertCustomChildControl(0, edgeBlueprint.EdgePath);
}