In PdfPrinting.zip (available in downloads page) there are sample applications with its source code.
There is source code for three sample applications:
- CreateInvoice - simple example which creates an invoice. A good example to see how to create new PDF document and how to write text with special font and images to it.
- DocumentMergeSplitExtractRemove - how to extract, remove, split or merge pages from existing PDF document.
- PDFProtection - how to set PDF encryption and user access permissions.