iCalLibrary is iCalendar format (RFC5545) library for Microsoft .NET / Silverlight
Tested on .NET framework 4 or silverlight 5
As of April 2012, it is only able to read from iCalendar format file. Writing to iCalendar file is not yet implemented.
using iCalLibrary;
iCalParser parser = new iCalParser();
iCalendarCollection iColl = parser.ParseStream( <TextReader> );
or
parser.ParseFile( <filename> );
List<iCalEvent> events = iColl.GetEventByDay( year, month, day );
List<iCalToDo> todos = iColl.GetToDoByDay( year, month, day,
<includeNoDateEntryFlag> );
If includeNoDateEntryFlag is set to false, todo entry which does not have start date or due date is not included