Using the EventCategories returned by the QueryEventCategories method, client
application can invoke the QueryEventAttributes method to get information about
the vendor-specific attributes the server can provide as part of an event notification
for an event within the specified event category.
Simple servers may not support any vendor-specific attributes for some or even all
EventCategories. Attributes of event notifications are described in OPC AE specification section 2.5.2.
Some possible vendor-specific attributes are included in Appendix C of the OPC AE specification.
Overload List
| Overload | Description |
|---|
| QueryEventAttributes(Int32,Int32[],String[],VarEnum[]) |
Using the EventCategories returned by the QueryEventCategories method, client
application can invoke the QueryEventAttributes method to get information about
the vendor-specific attributes the server can provide as part of an event notification
for an event within the specified event category.
Simple servers may not support any vendor-specific attributes for some or even all
EventCategories. Attributes of event notifications are described in OPC AE specification section 2.5.2.
Some possible vendor-specific attributes are included in Appendix C of the OPC AE specification.
|
| QueryEventAttributes(Int32,Int32[],String[],Type[]) |
Using the EventCategories returned by the QueryEventCategories method, client
application can invoke the QueryEventAttributes method to get information about
the vendor-specific attributes the server can provide as part of an event notification
for an event within the specified event category.
Simple servers may not support any vendor-specific attributes for some or even all
EventCategories. Attributes of event notifications are described in OPC AE specification section 2.5.2.
Some possible vendor-specific attributes are included in Appendix C of the OPC AE specification.
|
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x
See Also
