/// <summary>
/// Gets an iCalendar version of the appointment
/// </summary>
/// <param name="Canceled">If true, it returns a cancellation version.
/// If false, it returns a request version.</param>
/// <returns>An iCalendar version of the appointment</returns>
private string GetCalendar(bool Canceled)
{
string DateFormatUsing = "yyyyMMddTHHmmssZ";
string Method;
if (!Canceled)
{
Method = "REQUEST";
}
else
{
Method = "CANCEL";
}
string bodyCalendar = "BEGIN:VCALENDAR\r\nMETHOD:{10}\r\nPRODID:Microsoft CDO for Microsoft Exchange\r\nVERSION:2.0\r\nBEGIN:VTIMEZONE\r\nTZID:(GMT-06.00) Central Time (US & Canada)\r\nX-MICROSOFT-CDO-TZID:11\r\nBEGIN:STANDARD\r\nDTSTART:16010101T020000\r\nTZOFFSETFROM:-0500\r\nTZOFFSETTO:-0600\r\nRRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=11;BYDAY=1SU\r\nEND:STANDARD\r\nBEGIN:DAYLIGHT\r\nDTSTART:16010101T020000\r\nTZOFFSETFROM:-0600\r\nTZOFFSETTO:-0500\r\nRRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=2SU\r\nEND:DAYLIGHT\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTAMP:{8}\r\nDTSTART:{0}\r\nSUMMARY:{7}\r\nUID:{5}\r\nATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN=\"{9}\":MAILTO:{9}\r\nACTION;RSVP=TRUE;CN=\"{4}\":MAILTO:{4}\r\nORGANIZER;CN=\"{3}\":mailto:{4}\r\nLOCATION:{2}\r\nDTEND:{1}\r\nDESCRIPTION:{7}\\N\r\nSEQUENCE:1\r\nPRIORITY:5\r\nCLASS:\r\nCREATED:{8}\r\nLAST-MODIFIED:{8}\r\nSTATUS:CONFIRMED\r\nTRANSP:OPAQUE\r\nX-MICROSOFT-CDO-BUSYSTATUS:{11}\r\nX-MICROSOFT-CDO-INSTTYPE:0\r\nX-MICROSOFT-CDO-INTENDEDSTATUS:BUSY\r\nX-MICROSOFT-CDO-ALLDAYEVENT:FALSE\r\nX-MICROSOFT-CDO-IMPORTANCE:1\r\nX-MICROSOFT-CDO-OWNERAPPTID:-1\r\nX-MICROSOFT-CDO-ATTENDEE-CRITICAL-CHANGE:{8}\r\nX-MICROSOFT-CDO-OWNER-CRITICAL-CHANGE:{8}\r\nBEGIN:VALARM\r\nACTION:DISPLAY\r\nDESCRIPTION:REMINDER\r\nTRIGGER;RELATED=START:-PT00H15M00S\r\nEND:VALARM\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n";
bodyCalendar = string.Format(bodyCalendar,
StartDate.ToUniversalTime().ToString(DateFormatUsing),
EndDate.ToUniversalTime().ToString(DateFormatUsing),
Location,
OrganizerName,
OrganizerEmail,
MeetingGUID.ToString("B"),
Summary,
Subject,
DateTime.Now.ToUniversalTime().ToString(DateFormatUsing),
AttendeeList.ToString(),
Method,
Status);
return(bodyCalendar);
}
/// <summary>
/// Adds an appointment to a user's calendar
/// </summary>
public virtual void AddAppointment()
{
string XMLNSInfo = "xmlns:g=\"DAV:\" "
+ "xmlns:e=\"http://schemas.microsoft.com/exchange/\" "
+ "xmlns:mapi=\"http://schemas.microsoft.com/mapi/\" "
+ "xmlns:mapit=\"http://schemas.microsoft.com/mapi/proptag/\" "
+ "xmlns:x=\"xml:\" xmlns:cal=\"urn:schemas:calendar:\" "
+ "xmlns:dt=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\" "
+ "xmlns:header=\"urn:schemas:mailheader:\" "
+ "xmlns:mail=\"urn:schemas:httpmail:\"";
string CalendarInfo = "<cal:location>" + Location + "</cal:location>" // + Location + "</cal:location>"
+ "<cal:dtstart dt:dt=\"dateTime.tz\">" + StartDate.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ss.000Z") + "</cal:dtstart>" // + StartDate.ToUniversalTime().ToString("yyyyMMddTHHmmssZ") + "</cal:dtstart>"
+ "<cal:dtend dt:dt=\"dateTime.tz\">" + EndDate.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ss.000Z") + "</cal:dtend>" // + EndDate.ToUniversalTime().ToString("yyyyMMddTHHmmssZ") + "</cal:dtend>"
+ "<cal:instancetype dt:dt=\"int\">0</cal:instancetype>"
+ "<cal:busystatus>" + Status + "</cal:busystatus>"
+ "<cal:meetingstatus>CONFIRMED</cal:meetingstatus>"
+ "<cal:alldayevent dt:dt=\"boolean\">0</cal:alldayevent>"
+ "<cal:responserequested dt:dt=\"boolean\">1</cal:responserequested>"
+ "<cal:reminderoffset dt:dt=\"int\">900</cal:reminderoffset>"
+ "<cal:uid>" + MeetingGUID.ToString("B") + "</cal:uid>";
string HeaderInfo = "<header:to>" + AttendeeList.ToString() + "</header:to>";
string MailInfo = "<mail:subject>" + Subject + "</mail:subject>"
+ "<mail:htmldescription>" + Summary + "</mail:htmldescription>";
string AppointmentRequest = "<?xml version=\"1.0\"?>"
+ "<g:propertyupdate " + XMLNSInfo + ">"
+ "<g:set><g:prop>"
+ "<g:contentclass>urn:content-classes:appointment</g:contentclass>"
+ "<e:outlookmessageclass>IPM.Appointment</e:outlookmessageclass>"
+ MailInfo
+ CalendarInfo
+ HeaderInfo
+ "<mapi:finvited dt:dt=\"boolean\">1</mapi:finvited>"
+ "</g:prop></g:set>"
+ "</g:propertyupdate>";
System.Net.HttpWebRequest PROPPATCHRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml");
System.Net.CredentialCache MyCredentialCache = new System.Net.CredentialCache();
if (!string.IsNullOrEmpty(UserName) && !string.IsNullOrEmpty(Password))
{
MyCredentialCache.Add(new System.Uri(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml"),
"NTLM",
new System.Net.NetworkCredential(UserName, Password));
}
else
{
MyCredentialCache.Add(new System.Uri(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml"),
"Negotiate",
(System.Net.NetworkCredential)CredentialCache.DefaultCredentials);
}
PROPPATCHRequest.Credentials = MyCredentialCache;
PROPPATCHRequest.Method = "PROPPATCH";
byte[] bytes = Encoding.UTF8.GetBytes((string)AppointmentRequest);
PROPPATCHRequest.ContentLength = bytes.Length;
using (System.IO.Stream PROPPATCHRequestStream = PROPPATCHRequest.GetRequestStream())
{
PROPPATCHRequestStream.Write(bytes, 0, bytes.Length);
PROPPATCHRequestStream.Close();
PROPPATCHRequest.ContentType = "text/xml";
System.Net.WebResponse PROPPATCHResponse = (System.Net.HttpWebResponse)PROPPATCHRequest.GetResponse();
PROPPATCHResponse.Close();
}
}
/// <summary>
/// Cancels an appointment on someone's calendar
/// </summary>
public virtual void CancelAppointment()
{
System.Net.HttpWebRequest PROPPATCHRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml");
System.Net.CredentialCache MyCredentialCache = new System.Net.CredentialCache();
if (!string.IsNullOrEmpty(UserName) && !string.IsNullOrEmpty(Password))
{
MyCredentialCache.Add(new System.Uri(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml"),
"NTLM",
new System.Net.NetworkCredential(UserName, Password));
}
else
{
MyCredentialCache.Add(new System.Uri(ServerName + "/exchange/" + Directory + "/Calendar/" + MeetingGUID.ToString() + ".eml"),
"Negotiate",
(System.Net.NetworkCredential)CredentialCache.DefaultCredentials);
}
PROPPATCHRequest.Credentials = MyCredentialCache;
PROPPATCHRequest.Method = "DELETE";
System.Net.WebResponse PROPPATCHResponse = (System.Net.HttpWebResponse)PROPPATCHRequest.GetResponse();
PROPPATCHResponse.Close();
}