>i am developing a POS system, get those information from one supplier for kick out command is GS V , but we don't know how to implement this GV S into the system. any idea? ..
>previouly we have a DOS version POS system, only one code to kick out drawer , that is something like chr(27)+chr(13)+.... can't remember, but this code not working in the Windows version



Have you tried Setting the printer to the com port of printer port then issuing a ???CHR(7)

LIKE
SET PRINTER TO COM1
??? CHR(7)