changing Font style in notepad file

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ASP.NET

hi all i have created small application, from my application i am writing my output in a notepad file, when i write my output i will declare font too..

but my font is not assigning to the notepad file ,
below is my code

using (StreamWriter writer = new StreamWriter(Server.MapPath("~/Temp_Report/" + Session["User"] + ".Barcode.txt"), true))
          {
              Font font1 = new System.Drawing.Font("IDAutomationSC128M DEMO", 11);//// Font name(font Declaration)
              writer.WriteLine("THAMEEM HOME CENTET,L.L.C");
              writer.WriteLine("Same Value", font1);
              writer.WriteLine("Short Description");
}

give me solution for my issue..