Subscribe
The method subscribes notifications.
Syntax
METHOD Subscribe : HRESULT
VAR_INPUT
ipRemoteLogger : I_TcRemoteEventLogger;
ipEventFilter : I_TcEventFilterBase; // optional
END_VAR
Inputs
Name | Type | Description |
|---|---|---|
ipRemoteLogger | I_TcRemoteEventLogger | Reference to the EventLogger for which a notification is to be registered. |
ipEventFilter | I_TcEventFilterBase | Pointer to an instance of FB_TcEventFilter, if a filter is to be activated. |
Return value
Name | Type | Description |
|---|---|---|
Subscribe | HRESULT | Returns S_OK if the method call was successful. Returns ADS_E_EXISTS if the listener is already subscribed. Otherwise returns HRESULT as the error code |