AlarmStorageReader.prvReadLatchVarString (METH)¶

METHOD prvReadLatchVarString : STO.ERROR

This method reads for a string latch variable the stored variable value from the table TblLatchVarStrings.

InOut:

Scope	Name	Type	Comment
Return	prvReadLatchVarString	STO.ERROR	A return value indicating, whether the processing was successful or not.
Input	liRowID	LINT	The row id used to read the string from the table TblLatchVarStrings.
	itfDatabaseAccess	IDatabaseAccess	The instance of IDatabaseAccess, that is used to access the database
	byLatchVarType	BYTE	The type of the latch variable
Output	cbpString	CharBufferPtr	Returns the pointer to the [W]STRING, that read from the database and stored in the global StringContainer instance.