OnKey
This callback method is triggered if a property was found at the position of the SAX reader. The property name lies on the input/output parameter key and its length on the input parameter len. The SAX parsing procedure is aborted by setting the return value HRESULT to S_FALSE.
Syntax
METHOD OnKey : HRESULT
VAR_IN_OUT CONSTANT
key : STRING;
END_VAR
VAR_INPUT
len : UDINT;
END_VAR