AlarmStorageReader.Read (METH)¶

METHOD Read : EAlarmStorageReaderErrors

Reads data from the alarm storage.

InOut:

Scope	Name	Type	Comment
Return	Read	EAlarmStorageReaderErrors	A EAlarmStorageReaderErrors value indicating, whether the processing has been completed successfully or not: EAlarmStorageReaderErrors.NoError: Completed successfully EAlarmStorageReaderErrors.WrongParameter: If the IAlarmStorageReaderConsumer instance is invalid EAlarmStorageReaderErrors.AdditionalReadCallRequired: Reading has been completed successfully, but there is additional call of method ContinueReading necessary to read the rest of the data
Input	liTimstampFrom	LINT	The timestamp (when the alarm became active) of the 1st alarm
	liTimstampTo	LINT	The timestamp of the last alarm
	xReadAscending	BOOL	If this parameter is TRUE, then the rows will be returned by “timestamp active” ascending, otherwise descending
	itfAlarmStorageReaderConsumer	IAlarmStorageReaderConsumer	An instance of IAlarmStorageReaderConsumer, to which the data read from the alarm storage will be passed.