Before the drag and drop, LAST-MODIFIED:20120427T115654Z DTSTART;TZID=Europe/Paris:20120501T110000 --------------------------------------------------------------------------- BEGIN:VCALENDAR PRODID:-//EDeal SARL./SOGo 1.3.11//EN VERSION:2.0 CALSCALE:GREGORIAN BEGIN:VEVENT DTSTAMP:20120427T095513Z UID:f2fcd462-75e5-4d8e-979b-6e25ec53cb21 CLASS:PUBLIC DTSTART;TZID=Europe/Paris:20120501T110000 DTEND;TZID=Europe/Paris:20120501T120000 SUMMARY:int& SEQUENCE:2 ATTENDEE;PARTSTAT=NEEDS-ACTION;ROLE=REQ-PARTICIPANT;RSVP=TRUE;CN=Adrien POU PARD:mailto:nomail0000000000008aaf ATTENDEE;PARTSTAT=NEEDS-ACTION;ROLE=REQ-PARTICIPANT;RSVP=TRUE:mailto:edeal@ acacs.org ORGANIZER;CN=Vincent Test:mailto:vincent@jolo.fr LAST-MODIFIED:20120427T115654Z TRANSP:OPAQUE END:VEVENT BEGIN:VTIMEZONE TZID:Europe/Paris X-LIC-LOCATION:Europe/Paris BEGIN:DAYLIGHT TZOFFSETFROM:+0100 TZOFFSETTO:+0200 TZNAME:CEST DTSTART:19700329T020000 RRULE:BYDAY=-1SU;FREQ=YEARLY;BYMONTH=3 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+0200 TZOFFSETTO:+0100 TZNAME:CET DTSTART:19701025T030000 RRULE:BYDAY=-1SU;FREQ=YEARLY;BYMONTH=10 END:STANDARD END:VTIMEZONE END:VCALENDAR =========================================================================== =========================================================================== =========================================================================== After Drag and drop, DTSTART;TZID=Europe/Paris:20120503T110000 => updated LAST-MODIFIED:20120427T115654Z => not updated --------------------------------------------------------------------------- BEGIN:VCALENDAR PRODID:-//EDeal SARL./SOGo 1.3.11//EN VERSION:2.0 CALSCALE:GREGORIAN BEGIN:VEVENT DTSTAMP:20120427T095513Z UID:f2fcd462-75e5-4d8e-979b-6e25ec53cb21 CLASS:PUBLIC DTSTART;TZID=Europe/Paris:20120503T110000 DTEND;TZID=Europe/Paris:20120503T120000 SUMMARY:int& SEQUENCE:4 ATTENDEE;PARTSTAT=NEEDS-ACTION;ROLE=REQ-PARTICIPANT;RSVP=TRUE;CN=Adrien POU PARD:mailto:nomail0000000000008aaf ATTENDEE;PARTSTAT=NEEDS-ACTION;ROLE=REQ-PARTICIPANT;RSVP=TRUE:mailto:edeal@ acacs.org ORGANIZER;CN=Vincent Test:mailto:vincent@jolo.fr LAST-MODIFIED:20120427T115654Z TRANSP:OPAQUE END:VEVENT BEGIN:VTIMEZONE TZID:Europe/Paris X-LIC-LOCATION:Europe/Paris BEGIN:DAYLIGHT TZOFFSETFROM:+0100 TZOFFSETTO:+0200 TZNAME:CEST DTSTART:19700329T020000 RRULE:BYDAY=-1SU;FREQ=YEARLY;BYMONTH=3 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+0200 TZOFFSETTO:+0100 TZNAME:CET DTSTART:19701025T030000 RRULE:BYDAY=-1SU;FREQ=YEARLY;BYMONTH=10 END:STANDARD END:VTIMEZONE END:VCALENDAR