Zoom / Scroll

// Zoom
private void zumiraj_ikonicu_MouseHover(object sender, EventArgs e)
        {
            if (pbZum != null)
            {
                int x1 = pbZum.Location.X;
                int y1 = pbZum.Location.Y;

                for (int i = 120; i > 30; i -= 11)
                {

                    pbZum.Size = new Size(i, i);
                    pbZum.Location = new Point(x1 + (120 - i) / 2, y1 + (120 - i) / 2);
                    pbZum.Image = new Bitmap(aktivniSpomenik.ikonica, new Size(i, i));

                    pbMapa.Refresh();
                }
                pbZum.Dispose();
            }
            Point p = pbMapa.PointToClient(Cursor.Position);
            pb = (PictureBox)pbMapa.GetChildAtPoint(p);

            if (pb != null)
            {
                Spomenik spomenik = (Spomenik)pb.Tag;
                aktivniSpomenik = spomenik;
                pbZum = new PictureBox();

                pbZum.ContextMenuStrip = cmspbIkonica;

                int x = pb.Location.X + 15;
                int y = pb.Location.Y + 15;
                pbMapa.Controls.Add(pbZum);
                pbZum.Show();
                pbZum.BringToFront();

                for (int i = 0; i < 90; i += 5)
                {

                    pbZum.Size = new Size(30 + i, 30 + i);
                    pbZum.Location = new Point(x - (30 + i) / 2, y - (30 + i) / 2);
                    pbZum.Image = new Bitmap(spomenik.ikonica, new Size(30 + i, 30 + i));
                    pbZum.BringToFront();
                    pbMapa.Refresh();

                }

                String tagovi_za_detalje = "";
                foreach (Tag tag_detalji in spomenik.tagovi)
                {
                    tagovi_za_detalje += " #" + tag_detalji.oznaka;
                }

                String detalji = "Naziv: " + spomenik.ime + Environment.NewLine +
                                    "Tip: " + spomenik.tip.naziv + Environment.NewLine +
                                    "Datum otkrivanja: " + spomenik.datumOtkrivanja.ToString("dd.MM.yyyy.") + Environment.NewLine +
                                    "Turistički status: " + spomenik.turistickiStatus + Environment.NewLine +
                                    "God. prihod od turizma: " + spomenik.prihod.ToString() + " $" + Environment.NewLine +
                                    "Klima: " + spomenik.klima + Environment.NewLine +
                                    "Ekološka ugroženost: " + spomenik.ugrozenost + Environment.NewLine +
                                    "Stanište ugroženih vrsta: " + spomenik.stanisteUgVrsta + Environment.NewLine +
                                    "Pripada naseljnom regionu: " + spomenik.naseljeniRegion + Environment.NewLine +
                                    "Tagovi: " + tagovi_za_detalje + Environment.NewLine +
                                    "Opis: " + spomenik.opis;
                ttMapa.SetToolTip(pbZum, detalji);
            }
        }

// Scroll
        private void btnScrollUp_Click(object sender, EventArgs e)
        {
            if (scroll.Y - soffset > 0)
            {
                panel1.VerticalScroll.Value = scroll.Y - soffset;
                scroll = new Point(scroll.X, scroll.Y - soffset);
            }
            else
            {
                panel1.VerticalScroll.Value = 0;
                scroll = new Point(scroll.X, 0);
            }
            //panel1.Refresh();
            //Console.WriteLine("x=" + scroll.X + "   y=" + scroll.Y);
        }

        private void btnScrollLeft_Click(object sender, EventArgs e)
        {
            if (scroll.X - soffset > 0)
            {
                panel1.HorizontalScroll.Value = scroll.X - soffset;
                scroll = new Point(scroll.X - soffset, scroll.Y);
            }
            else
            {
                panel1.HorizontalScroll.Value = 0;
                scroll = new Point(0, scroll.Y);
            }
           // panel1.Refresh();
            //Console.WriteLine("x=" + scroll.X + "   y=" + scroll.Y);
        }