private void deleteBtn_Click(object sender, EventArgs e) { if (delBox.Text.Length != 0) { Stopwatch sw = new Stopwatch(); sw.Start(); Algoritmi.IzbrisiCvor(Convert.ToInt32(delBox.Text)); sw.Stop(); timeLabel.Text = sw.ElapsedMilliseconds.ToString() + " ms"; Algoritmi.graphicsObj.Clear(Color.DimGray); Algoritmi.CrtajSve(Algoritmi.root, 1, 50, drawPanel.Width / 2); } delBox.Text = ""; }