Add link annotation to a document in Go

To add a hyperlink or intra-document link annotation to a PDF Document page.

doc := NewPDFDoc(filename)
page := doc.GetPage(1)

// Create a hyperlink
hyperlink := LinkCreate(doc.GetSDFDoc(), NewRect(85.0, 570.0, 503.0, 524.0), ActionCreateURI(doc.GetSDFDoc(), "http://www.pdftron.com"))
hyperlink.RefreshAppearance()
page.AnnotPushBack(hyperlink)

// Create an intra-document link
gotoPage3 := ActionCreateGoto(DestinationCreateFitH(doc.GetPage(3), 0))
link := LinkCreate(doc.GetSDFDoc(), NewRect(85.0, 458.0, 503.0, 502.0), gotoPage3)
link.RefreshAppearance()
page.AnnotPushBack(link)

Add or edit PDF annotations sample
Full code sample which shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink).