using IronPrint;

// Define custom margins (top, right, bottom, left) in millimeters
PrintSettings printSettings = new PrintSettings();
printSettings.PaperMargins = new Margins(20, 15, 20, 15);

Printer.Print("invoice.pdf", printSettings);

Imports IronPrint

' Define custom margins (top, right, bottom, left) in millimeters
Dim printSettings As New PrintSettings()
printSettings.PaperMargins = New Margins(20, 15, 20, 15)

Printer.Print("invoice.pdf", printSettings)