using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; class TriangleGradientBrush: Form { public static void Main() { Application.Run(new TriangleGradientBrush()); } public TriangleGradientBrush() { ResizeRedraw = true; } 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(cx, 0), new Point(cx, cy), new Point(0, cy) }; PathGradientBrush pgbrush = new PathGradientBrush(apt); grfx.FillRectangle(pgbrush, 0, 0, cx, cy); } }