Assuming that you have installed both the Ventas Display Client and Aubit4GL either on the same or different machines, they will communicate with each other using TCP/IP with an agreed port (default: xxxx) and using an agreed XML format.

To run the VDC, you will need to run the back end 4GL program with the following environment variables set :

A4GL_UI=XML

AFGLSERVER=ip.address.of.client

and if you choose to operated via a proxy:

PIPEDIR=/path/to/dir

BASEPROGRAMS=/path/to/dir

The forms used by both front end and back ends need to be in XML format (which requires the environment variables):