Q: I am writing a program in VB.net to programmatically populate
fields in a PDF document which will then be opened for viewing/
printing via the user's default .PDF viewer. The .PDF files to be
populated are pre-existing, and no generation is necessary.
You can use PDFNet SDK (http://www.pdftron.com/net) to
programmatically populate form fields in PDF (among other things).
As a starting point you may want to take a look at InteractiveForms
sample project (http://www.pdftron.com/net/
samplecode.html#InteractiveForms), as well as FDF sample (http://