| Overload | Description |
|---|---|
| QueryCategoryAttributes(IEasyAEClient,ServerDescriptor,Int64) | Finds out event attributes that the server can provide as part of an event notification within a given event category. Uses server descriptor for specifying the OPC server. |
| QueryCategoryAttributes(IEasyAEClient,String,String,Int64) | Finds out event attributes that the server can provide as part of an event notification within a given event category. Uses computer name and server class for specifying the OPC server. |