Communicate With Commercial T7 Credit Card Machine
Version Compatibility: Visual Basic 6
This project is based on HyperCom v1.02 specification, and you will need a credit card machine connected to a PC serial port. The author mentions this project is suitable for use in point of sale systems. You will need to add a few controls to your form. 1 textBox, 2 labels, 1 command button, 1 timer contol and a MS Comm control, the latter which you can add from the components dialogue.
Instructions: Copy the declarations and code below and paste directly into your VB project.