THANK YOU rextor for your reply
i will explain what i want to do exactly
i want :
1- build a software with VB6 :this software can open picture file (jpg,bmb....)
2- this software has PRINT BUTTOM when i press it (then the picture which is opend )
it interpret this picture into data(i think the data contain the position and the color of the picture)
3- i want this data to flow through LPT port
4- i will build interface card on LPT to take this data and make control on machine
this machine like printer i will design it
i hope you understand what i what to do
THANKS FOR COOPERATION