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using System;
using System.Drawing;
using System.Windows.Forms;
   
class FontMenuForm: Form
{
     protected string strText = "Sample Text";
     protected Font font = new Font("Times New Roman", 24, FontStyle.Italic);
   
     public static void Main()
     {
          Application.Run(new FontMenuForm());
     }
     public FontMenuForm()
     {
          ResizeRedraw = true;
          Menu = new MainMenu();
          Menu.MenuItems.Add("&Font!", new EventHandler(MenuFontOnClick));
     }
     void MenuFontOnClick(object obj, EventArgs ea)
     {
          FontDialog dlg = new FontDialog();
          dlg.Font = font;
   
          if (dlg.ShowDialog() == DialogResult.OK)
          {
               font = dlg.Font;
               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)
     {
          SizeF sizef = grfx.MeasureString(strText, font);
          Brush brush = new SolidBrush(clr);
   
          grfx.DrawString(strText, font, brush, (cx - sizef.Width) / 2,
                                                (cy - sizef.Height) / 2);
     }
     public float GetAscent(Graphics grfx, Font font)
     {
          return font.GetHeight(grfx) * 
                    font.FontFamily.GetCellAscent(font.Style) /
                         font.FontFamily.GetLineSpacing(font.Style);
     }
     public float GetDescent(Graphics grfx, Font font)
     {
          return font.GetHeight(grfx) * 
                    font.FontFamily.GetCellDescent(font.Style) /
                         font.FontFamily.GetLineSpacing(font.Style);
     }
     public float PointsToPageUnits(Graphics grfx, Font font)
     {
          float fFontSize;
   
          if (grfx.PageUnit == GraphicsUnit.Display)
               fFontSize = 100 * font.SizeInPoints / 72;
          else
               fFontSize = grfx.DpiX * font.SizeInPoints / 72;
   
          return fFontSize;
     }
}

 
    
   
  
   







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