csharp create ICS file extension

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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:e5fhdjff6vakjftnl3l9vjs64k@google.com",  "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:et53m4on1ii70en7uuv1thjr58@google.com",          "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:e5fhdjff6vakjftnl3l9vjs64k@google.com",          "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:005ef5a170ab453276aad021756e5fde@dusystem.com",      "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:9660590c514358c5bceed9e75bed0222@dusystem.com",      "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:5a9eaca2435fb52e1c95ddb786f82efa@dusystem.com",      "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();