etm.wccoa.services.events
Event arguments for WinCC OA service streaming methods.
Package Contents
Classes
ObserveDpValueEventArgs
|
Base event args for datapoint value subscription callbacks. |
|---|---|
ObserveMultiDpValueEventArgs
|
Event args for multiple datapoint value subscription. |
API
class etm.wccoa.services.events.ObserveDpValueEventArgs
Base event args for datapoint value subscription callbacks.
error : Exception | None
None
Error that occurred in the subscription, if any.
is_answer : bool
True
Whether this callback is a response to an answer.
is_refresh : bool
False
Whether this callback is triggered by a refresh.
class etm.wccoa.services.events.ObserveMultiDpValueEventArgs
Bases: etm.wccoa.services.events._process_values.ObserveDpValueEventArgs
Event args for multiple datapoint value subscription.
values : tuple[etm.wccoa.services.data.OaDpValueItem, ...] | None
info_values : tuple[etm.wccoa.services.data.OaDpValueItem, ...] | None
error : Exception | None
None
is_answer : bool
True
is_refresh : bool
False