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.

PCL provides several forms of graphics functionality. Included is the ability to build dotper- bit raster images, create pre-defined patterns, fill or shade rectangular areas with predefined patterns, and print vector graphics using the HPGL/2 gr

Translation to brasilian portuguese of the QuickReport 4.07 pre-viewer for Delphi 2007.