COM 提供以下枚举：
- APTTYPE
- APTTYPEQUALIFIER
- BIND_FLAGS
- BINDSPEED
- BSCO_OPTION
- CALLFRAME_COPY
- CALLFRAME_FREE
- CALLFRAME_WALK
- CALLTYPE
- CLSCTX
- CO_MARSHALING_CONTEXT_ATTRIBUTES
- COINIT
- COMSD
- COWAIT_FLAGS
- EOC_ChangeType
- EOLE_AUTHENTICATION_CAPABILITIES
- EXTCONN
- GLOBALOPT_PROPERTIES
- GLOBALOPT_UNMARSHALING_POLICY_VALUES
- MKRREDUCE
- MKSYS
- MSHCTX
- MSHLFLAGS
- PENDINGMSG
- PENDINGTYPE
- RECORD_READING_POLICY
- REGCLS
- SERVERCALL
- THDTYPE
- TYSPEC