Classes
| Class | Description | |
|---|---|---|
 | Constants | |
| DUMMY_VARIANT | |
| OPCQuality | OPC Item quality as a .Net class. The class also contains conversion methods. |
| PropertyDescs | Definitions of the OPC defined item property descriptions. |
| PropertyIDs | Definitions of the OPC defined item property IDs. |
| SERVERSTATUS | OPC Server status class returned from OpcServer::GetStatus and IOPCServer::GetStatus |
| SERVERSTATUS64 | |
| SrvStatus | Server status information returned in GetStatus() |
| SrvStatus2 | Server status information returned in GetStatus() |
Enumerations
| Enumeration | Description | |
|---|---|---|
 | limitBits | Enumerator with the OPC defined limit status names and the OPC defined values. |
| OPC_PROPS | OPC Item Property Id enumerator |
| OPC_QUALITY_LIMIT | OPC Item Quality enumerator for Litmit Bits ------LL |
| OPC_QUALITY_MASKS | OPC Quality mask definition QQSSSSLL |
| OPC_QUALITY_MASTER | OPC Item quality enumerator for QQ bits only |
| OPC_QUALITY_STATUS | Complete OPC Item Quality enumerator QQSSSS-- |
| OPCACCESSRIGHTS | Item access right enumerator flags ( can be or-ed ) |
| OPCBROWSEDIRECTION | Browse direction enumerator |
| OPCBROWSETYPE | Enumerator for for browse mode selection |
| OPCDATASOURCE | Enumerator for the selection of the read source. |
| OPCENUMSCOPE | Enumerator Scope enumerator |
| OPCEUTYPE | Item Engineering Units enumerator |
| OPCNAMESPACETYPE | Enumerator for the server's namespace organization. |
| OpcServerState | OPC server state enumerator used in ServerStatus2 |
| qualityBits | Enumerator with the OPC defined quality status names and the OPC defined values. |