using IronPrint;

// Flatten the PDF before printing to preserve form fields and annotations
PrintSettings settings = new PrintSettings();
settings.Flatten = true;

Printer.Print("form-document.pdf", settings);

Imports IronPrint

' Flatten the PDF before printing to preserve form fields and annotations
Dim settings As New PrintSettings()
settings.Flatten = True

Printer.Print("form-document.pdf", settings)