model.cs

public class Model
    {
        private string naziv;
        public string Naziv { get=>naziv; set=>naziv=value; }
        public List<Metoda> listaMetoda = new List<Metoda>();
        public List<Atribut> listaAtributa = new List<Atribut>();

        private Rectangle rec;

        public Rectangle Rec { get=>rec; set=>rec=value; }

        //private Pen col;
        public Pen col = Pens.Black;

        private bool selektovan;
        public bool Selektovan { get=>selektovan; set=>selektovan=value; }
        //public List<Rectangle> nacrtaniPravougaonici = new List<Rectangle>();

        Form1 frm = new Form1();

        public Model(int x,int y,string naziv)
        {
            this.Rec = new Rectangle(x,y,60,30);

            this.Naziv = naziv;
        }

        public void CrtajSe(Graphics g)
        {
            //if (Naziv.Length != 0)
            //{
            if (Selektovan)
            {
                g.DrawRectangle(Pens.Blue, Rec);
                g.DrawString(Naziv, frm.Font, Brushes.Red, Rec.X + 20, Rec.Y + 9);
               // nacrtaniPravougaonici.Add(rec);
            }
            else
            {
                g.DrawRectangle(col, Rec);
                g.DrawString(Naziv, frm.Font, Brushes.Red, Rec.X + 20, Rec.Y + 9);
                //nacrtaniPravougaonici.Add(rec);
            }
            //}
        }

    }