public void Refresh() { var g = panel1.CreateGraphics(); g.Clear(panel1.BackColor); foreach (var item in shapes) { if (item is rectangle) { rectangle r = (rectangle)item; r.Draw(g); } else if (item is circle) { circle c = (circle)item; c.Draw(g); } else if (item is ellipse) { ellipse e = (ellipse)item; e.Draw(g); } else if (item is line) { line l = (line)item; l.Draw(g); } else if (item is polygon) { polygon p = (polygon)item; p.Draw(g); } } }
public override object Clone() { var r = new rectangle(); r.x = x; r.y = y; r.width = width; r.height = height; r.thickness = thickness; r.color = color; r.fillcolor = fillcolor; return(r); }
private void button1_Click(object sender, EventArgs e) { rectangle r = new rectangle { x = 34, y = 34, width = 54, height = 34, thickness = 1, color = Color.DarkCyan, fillcolor = Color.Gainsboro, }; propertyGrid1.SelectedObject = r; shapes.Add(r); Refresh(); }