Meeting cancellations are sent to each attendee when either
The attendee has been removed from the attendee collections of the organizer’s meeting item, or
The organizer has deleted the meeting item
We have already illustrated how an attendee is removed in the section titled Removing Attendees from a Meeting, so we shall talk about the other method of sending meeting cancellations, and that is when the organizer deletes the meeting item. Then we will talk about meeting cancellations in more detail.
There are two ways an organizer can delete a meeting. The first is to make a call to the DeleteItem Web method with the id of the meeting calendar item. The second is to use the CancelCalendarItem response object that is present on a ...