using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; class TriangleTile: Form { const int iSide = 50; // Side of square for triangle MenuItem miChecked; public static void Main() { Application.Run(new TriangleTile()); } public TriangleTile() { ResizeRedraw = true; Menu = new MainMenu(); Menu.MenuItems.Add("&Wrap-Mode"); foreach (WrapMode wm in Enum.GetValues(typeof(WrapMode))) { MenuItem mi = new MenuItem(); mi.Text = wm.ToString(); mi.Click += new EventHandler(MenuWrapModeOnClick); Menu.MenuItems[0].MenuItems.Add(mi); } miChecked = Menu.MenuItems[0].MenuItems[0]; miChecked.Checked = true; } void MenuWrapModeOnClick(object obj, EventArgs ea) { miChecked.Checked = false; miChecked = (MenuItem) obj; miChecked.Checked = true; Invalidate(); } protected override void OnPaint(PaintEventArgs pea) { DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height); } protected void DoPage(Graphics grfx, Color clr, int cx, int cy) { Point[] apt = { new Point(0, 0), new Point(iSide, 0), new Point(0, iSide)}; PathGradientBrush pgbrush = new PathGradientBrush(apt, (WrapMode) miChecked.Index); grfx.FillRectangle(pgbrush, 0, 0, cx, cy); } }