using System; using System.Drawing; using System.Windows.Forms; class DotsPerInch: Form { public static void Main() { Application.Run(new DotsPerInch()); } public DotsPerInch() { 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) { grfx.DrawString(String.Format("DpiX = {0} DpiY = {1}", grfx.DpiX, grfx.DpiY), Font, new SolidBrush(clr), 0, 0); } }