VB6 Packet blocking/changing using proxy

[Real~Death]

Im using a proxy built from VB6,and i would like to know how i can have it block a packet comming from the server so the client doesent recive it and/or change the packe to somthing different.Any help would be nice im learning VB and this has been giving me problems i cant seem to figure it out.Im using Crack(made by behelit)and the game is Conquer(CO2) thanks

[5hoursez]

Haha funny well.. now i forgot what i wrote here ^__^

[Desy]

In the callback function of the socket (guess you use socket controll for proxy service) analyze the packed and if it match your packet, simply don't forward it to the client other wise sent it to the client.