Has anyone used Microsoft Print to PDF to generate PDF's dynamically?  For example, our application produces a text file from which we want to create a PDF.  Using C#, the following could be used:

PrintDocument.PrinterSettings.PrinterName = "Microsoft Print to PDF";
PrintDocument.PrinterSettings.PrintToFile = true;
PrintDocument.PrinterSettings.PrintFileName = "pdf_filename";

However, I'm having difficulty generating a def file for the System.Drawing and System.Drawing.Common dll's.