Windows 95 supplies a default port monitor, language monitor, and print processor. See Spooler Components and IHV Development Opportunities for reasons you may want to develop one or more of these components for your device and package each component as a separate DLL. Once you have developed such a DLL, there are two methods of installing the component so it will be part of the spooler's environment:
For information about how to use the printer-specific extensions to INF files, as well as information about using the AddPrintProcessor and AddMonitor APIs, see Printer INF File Extensions.