csharp create ICS file extension

                string schLocation = "Conference Room 涂聚文约会你";            string schSubject = "Business visit discussion约会";            string schDescription = "Schedule description明天到深圳市福田區車公廟冶金大大廈約會";            System.DateTime schBeginDate = Convert.ToDateTime("2/3/2012 10:00:00 PM");            System.DateTime schEndDate = Convert.ToDateTime("2/3/2012 11:00:00 PM");                        String[] content = { "BEGIN:VCALENDAR",                              "PRODID:-//Flo Inc.//FloSoft//EN",                              "BEGIN:VEVENT",                              "DTSTART:" + schBeginDate.ToUniversalTime().ToString("yyyyMMdd\\THHmmss\\Z"),                               "DTEND:" + schEndDate.ToUniversalTime().ToString("yyyyMMdd\\THHmmss\\Z"),                               "LOCATION:" + schLocation,                                 "PRIORITY:1",                                 "SEQUENCE:0",                            "DESCRIPTION;ENCODING=QUOTED-PRINTABLE:" + schDescription,                              "SUMMARY:" + schSubject, "PRIORITY:3",                             "SEQUENCE:0",                     "END:VEVENT", "END:VCALENDAR" };            String [] contents1={"BEGIN:VCALENDAR",                "PRODID:-//XYZ Corp//My Product//EN",                "VERSION:2.0",                "CALSCALE:GREGORIAN",                "METHOD:PUBLISH",                "X-WR-CALNAME:My Calendar",                "X-WR-TIMEZONE:(GMT-05:00) Eastern Time (US & Canada)",                "BEGIN:VEVENT",                "DTSTART:20061021T100000Z",                "DTEND:20061021T130000Z",                "DTSTAMP:20090211T175526Z",                "UID:5f98dfd5-ac72-4ae1-b3c2-799a4e7c91f9",                "CLASS:PUBLIC",                "CREATED:20071104T183833Z",                "DESCRIPTION: My description text.",                "LAST-MODIFIED:20071104T183833Z",                "LOCATION:涂聚文约会你 地址：123 Anywhere Street\\; Anyplace, NJ 12345\\; US",                "SEQUENCE:0",                "STATUS:CONFIRMED",                "SUMMARY: My summary text.",                "TRANSP:OPAQUE",                "END:VEVENT",                "BEGIN:VEVENT",                "DTSTART:20061101T170000Z",                "DTEND:20061101T180000Z",                "DTSTAMP:20090211T175526Z",                "UID:6eaef015-eb90-4e94-8e6c-0003b928969a",                "CLASS:PUBLIC",                "CREATED:20071104T183833Z",                "DESCRIPTION: My description for number 2.",                "LAST-MODIFIED:20071104T183833Z",                "LOCATION: 涂聚文约会你 地址：123 Anywhere Street\\; Anyplace, NJ 12345\\; US",                "SEQUENCE:0",                "STATUS:CONFIRMED",                "SUMMARY: My summary for #2.",                "TRANSP:OPAQUE",                "END:VEVENT",                "END:VCALENDAR"            };            String [] contents2={                "BEGIN:VCALENDAR",                "PRODID:-//XYZ Corp//My Product//EN",                "VERSION:2.0",                "CALSCALE:GREGORIAN",                "METHOD:PUBLISH",                "X-WR-CALNAME:My Calendar",                "X-WR-TIMEZONE:(GMT-05:00) Eastern Time (US & Canada)",                "BEGIN:VEVENT",                "DTSTART:20061021T100000Z",                "DTEND:20061021T130000Z",                "DTSTAMP:20090211T175526Z",                "UID:5f98dfd5-ac72-4ae1-b3c2-799a4e7c91f9",                "CLASS:PUBLIC",                "CREATED:20071104T183833Z",                "DESCRIPTION: My description text.",                "LAST-MODIFIED:20110721T105554Z",            "LOCATION:涂聚文约会你",            "SEQUENCE:0",            "STATUS:CONFIRMED",            "SUMMARY:Insert something",            "TRANSP:OPAQUE",            "BEGIN:VALARM",            "ACTION:DISPLAY",            "DESCRIPTION:This is an event reminder",            "TRIGGER:-P0DT0H10M0S",            "END:VALARM",            "END:VEVENT",            "BEGIN:VEVENT",            "DTSTART:20110909T083000Z",            "DTEND:20110909T103000Z",            "DTSTAMP:20110722T004312Z",            "UID:[e-mail]",            "CREATED:20110721T105410Z",            "DESCRIPTION:涂聚文明天到深圳市福田區車公廟冶金大廈約會",            "LAST-MODIFIED:20110721T111008Z",            "LOCATION:涂聚文约会",            "SEQUENCE:1",            "STATUS:CONFIRMED",            "SUMMARY:Insert something",            "TRANSP:OPAQUE",            "BEGIN:VALARM",            "ACTION:DISPLAY",            "DESCRIPTION:Insert something",            "TRIGGER:-P0DT0H10M0S",            "END:VALARM",            "END:VEVENT",            "END:VCALENDAR"            };             String [] contents3={"BEGIN:VCALENDAR",                    "PRODID:-//Google Inc//Google Calendar 70.9054//EN",                    "VERSION:2.0",                    "CALSCALE:GREGORIAN",                    "METHOD:PUBLISH",                    "X-WR-CALNAME:涂聚文约会你",                    "X-WR-TIMEZONE:Insert something",                    "X-WR-CALDESC:",                    "BEGIN:VEVENT",                    "DTSTART:20110909T180000Z",                    "DTEND:20110909T200000Z",                    "DTSTAMP:20110722T004312Z",                    "UID:[e-mail]",                    "CREATED:20110721T105553Z",                    "DESCRIPTION:",                    "LAST-MODIFIED:20110721T105554Z",                    "LOCATION:涂聚文约会你",                    "SEQUENCE:0",                    "STATUS:CONFIRMED",                    "SUMMARY:Insert something",                    "TRANSP:OPAQUE",                    "BEGIN:VALARM",                    "ACTION:DISPLAY",                    "DESCRIPTION:This is an event reminder",                    "TRIGGER:-P0DT0H10M0S",                    "END:VALARM",                    "END:VEVENT",                    "BEGIN:VEVENT",                    "DTSTART:20110909T083000Z",                    "DTEND:20110909T103000Z",                    "DTSTAMP:20110722T004312Z",                    "UID:[e-mail]",                    "CREATED:20110721T105410Z",                    "DESCRIPTION:",                    "LAST-MODIFIED:20110721T111008Z",                    "LOCATION:Auckland",                    "SEQUENCE:1",                    "STATUS:CONFIRMED",                    "SUMMARY:涂聚文约会你",                    "TRANSP:OPAQUE",                    "BEGIN:VALARM",                    "ACTION:DISPLAY",                    "DESCRIPTION:Insert something",                    "TRIGGER:-P0DT0H10M0S",                    "END:VALARM",                    "END:VEVENT",                    "END:VCALENDAR"             };             String [] contents4={"BEGIN:VCALENDAR",                "PRODID:-//Microsoft Corporation//Outlook 12.0 MIMEDIR//EN",                "VERSION:2.0",                "METHOD:PUBLISH",                "X-CALSTART:20100611T140000Z",                "X-CALEND:20100711T201500Z",                "X-WR-RELCALID:{0000002E-5A22-AA75-713B-5C3715764495}",                "X-WR-CALNAME: World Cup Football Complete Match Schedule 2010 South Africa",                "BEGIN:VEVENT",                "CATEGORIES:World Cup Football Complete Match Schedule 2010 South Africa",                "CLASS:PUBLIC",                "CREATED:20100608T231102Z",                "DESCRIPTION:Group A\nFollow MarkThisDate on Twitter   markthisdate",                 "DTEND:20100611T154500Z",                "DTSTAMP:20100513T100200Z",                "DTSTART:20100611T140000Z",                "LAST-MODIFIED:20100608T231102Z",                "LOCATION:涂聚文约会你",                "PRIORITY:5",                "SEQUENCE:0",                "SUMMARY:涂聚文约会你 地址：涂聚文明天到深圳市福田區車公廟冶金大廈約會",                "TRANSP:TRANSPARENT",                "UID:[e-mail]",                "X-MICROSOFT-CDO-BUSYSTATUS:FREE",                "X-MICROSOFT-CDO-IMPORTANCE:1",                "END:VEVENT",                "BEGIN:VEVENT",                "CATEGORIES:涂聚文约会你 地址：涂聚文明天到深圳市福田區車公廟冶金大廈約會",                "CLASS:PUBLIC",                "CREATED:20100608T231102Z",                "DESCRIPTION:天下为公",                "DTEND:20100611T201500Z",                "DTSTAMP:20100513T100200Z",                "DTSTART:20100611T183000Z",                "LAST-MODIFIED:20100608T231102Z",                "LOCATION:Cape Town ",                "PRIORITY:5",                "SEQUENCE:0",                 "SUMMARY:Uruguay - France",                "TRANSP:TRANSPARENT",                "UID:[e-mail]",                "X-MICROSOFT-CDO-BUSYSTATUS:FREE",                "X-MICROSOFT-CDO-IMPORTANCE:1",                "END:VEVENT",                "BEGIN:VEVENT",                "CATEGORIES:涂聚文约会你 地址：World Cup Football Complete Match Schedule 2010 South Africa",                "CLASS:PUBLIC",                "CREATED:20100608T231102Z",                "DESCRIPTION:不作為的官都在步步高升",                "DTEND:20100612T131500Z",                "DTSTAMP:20100513T100200Z",                "DTSTART:20100612T113000Z",                "LAST-MODIFIED:20100608T231102Z",                "LOCATION:不作為的官都在步步高升",                "PRIORITY:5",                "SEQUENCE:0",                "SUMMARY:Korea Republic - Greece",                "TRANSP:TRANSPARENT",                "UID:[e-mail]",                "X-MICROSOFT-CDO-BUSYSTATUS:FREE",                "X-MICROSOFT-CDO-IMPORTANCE:1",                "END:VEVENT",                "END:VCALENDAR"                };           String [] contents5={"BEGIN:VCALENDAR",                "PRODID:-//Microsoft Corporation//Outlook 12.0 MIMEDIR//EN",                "VERSION:2.0",                "METHOD:PUBLISH",                "X-MS-OLK-FORCEINSPECTOROPEN:TRUE",                "BEGIN:VEVENT",                "CLASS:PUBLIC",                "CREATED:20120203T120222Z",                "DESCRIPTION:Schedule description明天到深圳市福田區車公廟冶金大廈約會",                "DTEND:20120203T150000Z",                "DTSTAMP:20120203T120200Z",                "DTSTART:20120203T140000Z",                "LAST-MODIFIED:20120203T120222Z",                "LOCATION:Conference Room 涂聚文约会你",                "PRIORITY:1",//提醒时间                "SEQUENCE:0",                "SUMMARY:Business visit discussion约会",                "TRANSP:OPAQUE",                "UID:040000008200E00074C5B7101A82E00800000000B0D4B7BDAEE2CC01000000000000000010000000C05DF5EA2953C0499548F598C334C23C",                "DESCRIPTION:X-ALT-DESC;FMTTYPE=text/html:<!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 3.2//EN"+                ">\n<HTML>\n<HEAD>\n<META NAME=Generator CONTENT=MS Exchange Server ve"+                "rsion 08.00.0681.000>\n<TITLE></TITLE>\n</HEAD>\n<BODY>\n<!-- Converted f"+                "rom text/plain format -->\n\n<P>Schedule description明天到深圳市福"+                "田區車公廟冶金大大廈約會\n</P>\n\n</BODY>\n</HTML>",                "X-MICROSOFT-CDO-BUSYSTATUS:BUSY",                "X-MICROSOFT-CDO-IMPORTANCE:2",                "BEGIN:VALARM",                "TRIGGER:-PT1440M",                "ACTION:DISPLAY",                "DESCRIPTION:Reminder",                "END:VALARM",                "END:VEVENT",                "END:VCALENDAR"};                      System.IO.File.WriteAllLines(Server.MapPath("Sample2.ics"), content,System.Text.Encoding.UTF8);            System.IO.File.WriteAllLines(Server.MapPath("Sample3.ics"), contents1, System.Text.Encoding.UTF8);            System.IO.File.WriteAllLines(Server.MapPath("Sample4.ics"), contents2, System.Text.Encoding.UTF8);            System.IO.File.WriteAllLines(Server.MapPath("Sample5.ics"), contents3, System.Text.Encoding.UTF8);            System.IO.File.WriteAllLines(Server.MapPath("Sample6.ics"), contents4, System.Text.Encoding.UTF8);            System.IO.File.WriteAllLines(Server.MapPath("Sample7.ics"), contents5, System.Text.Encoding.UTF8);            //METHOD TO SEND EMAIL IS CALLED            SendMail();            //Thread t1 = new System.Threading.Thread(new ThreadStart(SendMail));            //t1.Start();