Printing PDF with UIKit.UIPrint on Xamarin.iOS

AirPrint.cs

using UIKit;

void AirPrint (CGRect frame, string pdfOrImageToPrint)
{
	var printer = UIPrintInteractionController.SharedPrintController;

	if (printer == null) {
		Console.WriteLine("Unable to print at this time.");
	} else {
		var printInfo = UIPrintInfo.PrintInfo;
		printInfo.OutputType = UIPrintInfoOutputType.General;
		printInfo.JobName = "Print Job Name";
	
		printer.PrintInfo = printInfo;
		printer.PrintingItem = NSUrl.FromFilename (pdfOrImageToPrint);
		printer.ShowsPageRange = true;

		var handler = new UIPrintInteractionCompletionHandler ((printInteractionController, completed, error) => {
			if (completed) {
				Console.WriteLine("Print Completed.");
			} else if (!completed && error != null) {
				Console.WriteLine("Error Printing.");
			}
		});

		if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
			printer.PresentFromRectInView (frame, View, true, handler);
		else
			printer.Present (true, handler);
	}
}