private void buttonDownload_Click(object sender, EventArgs e)
 {
     b = new Circles();
     w = new Edges();
     b = DeserializeXML().CirclesList;
     w = DeserializeXML().EdgesList;
     workingField.Invalidate();
 }
 public CirclesAndEdges(Edges edgesList, Circles circlesList)
 {
     EdgesList   = edgesList;
     CirclesList = circlesList;
 }