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}\nDpiY = {1}",
                                  grfx.DpiX, grfx.DpiY),
                    Font, new SolidBrush(clr), 0, 0);
  }
}