How to print the PDF document as vector images in WPF PDFViewer?
You can print the PDF document as vector images to the default printer by using Print() method available in PdfDocumentView or WPF PDFViewer control.
C#
// Create instance of PdfDocumentView
PdfDocumentView pdfDocumentView = new PdfDocumentView()
// Loads the PDF Document
pdfDocumentView.Load("File Name.pdf");
// Silently Prints the document to the Default Printer
pdfDocumentView.Print();