Message: Second Operand of __QueryPointer must be pointer
Possible error cause: Incorrect operands are passed to the operator __QueryPointer.
Error correction: Pass a pointer.
Example of the error:
PROGRAM PLC_PRG
VAR
b : INT;
ITFref : ITF;
pt : POINTER TO FB;
END_VAR
__QueryPointer(ITFref,b);
INTERFACE ITF EXTENDS __System.IQueryInterface
Message:
“C0241: Second Operand of __QueryPointer must be pointer”
Error correction:
__QueryPointer (ITFref, pt);