Used to control printing with PDFLPrintDoc. To print to a PostScript file, set emitToFile to true, fill in printParams, and create a writeable stream. To print to a printer, set emitToPrinter to true, fill in printParams, and optionally fill in the command. @note UNIX supports only PostScript to a file or printer, as controlled by the (mutually exclusive) emitToFile and emitToPrinter parameters. Used to control printing with PDFLPrintDoc. See PDFLPrint.h for details about printing on specific platforms. To print to a PostScript file, set emitToFile to true, fill in printParams, and create a writeable stream. To print to a printer, set emitToPrinter to true, fill in printParams, and optionally fill in the command. @note UNIX supports only PostScript to a file or printer, as controlled by the mutually exclusive emitToFile and emitToPrinter parameters. Used to control printing with PDFLPrintDoc. To print to a PostScript file, set emitToFile to true, fill in printParams, and create a writeable stream. To print to a printer, set emitToPrinter to true, fill in printParams, and optionally fill in the command. @note UNIX supports only PostScript to a file or printer, as controlled by the (mutually exclusive) emitToFile and emitToPrinter parameters.