I get the error while compiling the following idl file using idl2java for VB 5.0

#define MAND(NotName) void add#NotName##Listener(in int x)

module test
{

interface notify {

MAND(envAlarm);

};

};

This works fine with idl2java VB4.5 but not with 5.0.
Could someone help me with this.
Thanks