发票显示及打印程序，可以在界面预显示商业发票，并按规定格式打印发票。-Display and print the invoice procedures, you can pre-show commercial invoice interface in accordance with the provisions of the format to print the invoice.

调用ms word，制作报表，并显示打印界面。VC6.0编译。-Call ms word, create reports, and display the print interface. VC6.0 compiler.