GetAlarm
Returns an interface pointer to an existing instance.
Syntax
virtual HRESULT TCOMAPI GetAlarm (GUID eventClass, UDINT eventId, ITcSourceInfo ipSourceInfo, ITcAlarm pipAlarm)
Parameter
Name | Type | Description |
|---|---|---|
eventClass | REFERENCE TO GUID | Reference to the GUID of the event class. |
eventId | REFERENCE TO UDINT | Reference to the ID of the event. |
ipSourceInfo | ITcSourceInfo | Pointer to the ITcSourceInfo interface. |
pipAlarm | Pointer to an ITcAlarm pointer. |
Return value
Type | Description |
|---|---|
HRESULT | Returns ADS_E_NOTFOUND if no instance was found. Returns S_OK if everything was successful, otherwise an HRESULT as the error code. |