title: Cancelling Google calendar event by iCal
body: <p>I have used <em>DDay.iCal</em> library in .NET to send event.</p>
  
  <p>Sending event is working fine and event can be added to Google calendar, but for cancelling the event, after sending cancellation email, event is still in Google calendar.</p>
  
  <p>Could you please guide me how to cancel Google Calendar event with <em>iCal</em>?</p>
  
  <p>This is my event file:</p>
  
  <pre><code>BEGIN:VCALENDAR
  VERSION:2.0
  PRODID:-//ddaysoftware.com//NONSGML DDay.iCal 1.0//EN
  BEGIN:VEVENT
  DESCRIPTION:a
  DTEND:20130820T180000
  DTSTAMP:20130820T050748Z
  DTSTART:20130820T180000
  SEQUENCE:0
  SUMMARY:a
  UID:c7da09c3-12c3-4e6c-8ab4-4c9bdede2221
  END:VEVENT
  END:VCALENDAR
  </code></pre>
  
  <p>This is my Cancellation event file</p>
  
  <pre><code>BEGIN:VCALENDAR
  VERSION:2.0
  PRODID:-//ddaysoftware.com//NONSGML DDay.iCal 1.0//EN
  METHOD:CANCEL
  BEGIN:VEVENT
  DESCRIPTION:acancel
  DTEND:20130820T180000
  DTSTAMP:20130820T050748Z
  DTSTART:20130820T180000
  SEQUENCE:1
  STATUS:CANCELLED
  SUMMARY:acancel
  UID:c7da09c3-12c3-4e6c-8ab4-4c9bdede2221
  END:VEVENT
  END:VCALENDAR
  </code></pre>