using System; using System.Drawing; using System.Windows.Forms; class XMarksTheSpot : Form { public static void Main() { Application.Run(new XMarksTheSpot()); } public XMarksTheSpot() { Text = "X Marks The Spot"; ResizeRedraw = true; } protected override void OnPaint(PaintEventArgs pea) { Graphics grfx = pea.Graphics; Pen pen = SystemPens.FromSystemColor(SystemColors.ActiveBorder); grfx.DrawLine(pen, 0, 0, ClientSize.Width - 1, ClientSize.Height - 1); grfx.DrawLine(pen, 0, ClientSize.Height - 1, ClientSize.Width - 1, 0); } }