MyViewDelegate

MyViewDelegate.cs

using System;
using System.Drawing;

using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.MapKit;

using MonoTouch.Dialog;

namespace Sample
{
	class MyViewDelegate : MKMapViewDelegate
	{	
		DialogViewController _dvc;
		UIWebView _webView;
		public MyViewDelegate(DialogViewController aDialogViewController)
		{
			_dvc = aDialogViewController;
		}
		
		public override MKAnnotationView GetViewForAnnotation (MKMapView mapView, NSObject annotation)
		{
			MKAnnotationView annotationView = null;

			if (annotation is MyMapAnnotation)
			{
				var csAnnotation = (MyMapAnnotation)annotation;
				var identifier = "pin";
				MKPinAnnotationView pinView = (MKPinAnnotationView)mapView.DequeueReusableAnnotation(identifier);
				if (pinView == null)
				{
					pinView = new MKPinAnnotationView(csAnnotation, identifier);
				}
				
				pinView.Image = csAnnotation.PinImage;
				
				var moreButton = UIButton.FromType(UIButtonType.DetailDisclosure);					
				pinView.RightCalloutAccessoryView = moreButton;
				
				annotationView = pinView;
				//annotationView.transform = CGAffineTransform.MakeScale(2.0, 2.0);
				annotationView.Enabled = true;
				annotationView.CanShowCallout = true;
			}
			return annotationView;
		}
		
		public override void CalloutAccessoryControlTapped (MKMapView mapView, MKAnnotationView view, UIControl control)
		{
			if (view.Annotation is MyMapAnnotation)
			{
				var csAnnotation = view.Annotation as MyMapAnnotation;
				if (_webView == null )
				{
					_webView = new UIWebView();
				}
				_webView.Frame = new RectangleF (0, 0, _dvc.View.Frame.Width, _dvc.View.Frame.Height);
				NSUrl nsurl = new NSUrl ("http://www.savagesoftwaresolutions.com/case.asp?CID=" + csAnnotation.CID);
				NSUrlRequest req = new NSUrlRequest (nsurl);
				_webView.LoadRequest(req);
				_webView.ScalesPageToFit = true;
				_dvc.View.AddSubview(_webView);
			}
		}
		
		public override void DidSelectAnnotationView(MKMapView mapView, MKAnnotationView view )
		{
			if (view.Annotation is MyMapAnnotation)
			{
				var csAnnotation = (MyMapAnnotation)view.Annotation;
				var data = NSData.FromUrl(new NSUrl("http://www.savagesoftwaresolutions.com/FILES/image/"+ csAnnotation.Image));
								
				var imageview = new UIImageView(UIImage.LoadFromData(data));
				imageview.Frame = new RectangleF(2, 2, 50, 50);
				view.LeftCalloutAccessoryView = imageview;
			}
		}
	}
}