private void pictureBoxMain_MouseMove(object sender, MouseEventArgs e) { if (radioButtonTransformPosision.Checked == true) { if (TPositionNode != null) { TPositionNode.SetPosision(new Point(e.X, e.Y)); DrawNodes(); } } if (radioButtonLink.Checked == true) { if (TPositionNode != null) { DrawNodes(); g.DrawLine(MainPan, TPositionNode.GetPos(), new Point(e.X, e.Y)); } } }