2.2.5.1 PidLidSideEffects Property
Type: PtypInteger32 ([MS-OXCDATA] section 2.11.1)
The possible flag values of the PidLidSideEffects property are specified in [MS-OXCMSG] section 2.2.1.16. All Meeting Request objects are to include the following flags:
seOpenToDelete (0x00000001)
seOpenToCopy (0x00000020)
seOpenToMove (0x00000040)
seCannotUndoDelete (0x00000400)
seCannotUndoCopy (0x00000800)
seCannotUndoMove (0x00001000)