MAPI Named Properties

Canonical name: PidLidAppointmentStateFlags
Description: Specifies a bit field that describes the state of the object.
Property Set: PSETID_Appointment
Property ID (Name): $8217
Data Type: PT_LONG
Area: Meetings

Remarks: This property is not required. Below are the individual flags that can be set.

M (asfMeeting, 0x00000001) - This flag indicates that the object is a meeting object or a meeting-related object.
R (asfReceived, 0x00000002) - This flag indicates that the represented object was received from someone else.
C (asfCanceled, 0x00000004) - This flag indicates that the meeting object represented by the object has been canceled