ios-samples/MonoCatalogSample/addressbook.cs

//
// AddressBook sample in C#.
//

using System;

using MonoTouch.AddressBook;
using MonoTouch.AddressBookUI;
using MonoTouch.Foundation;
using MonoTouch.UIKit;

public partial class AddressBookController : UIViewController {

	public AddressBookController () : base ("AddressBookController", null)
	{
	}

	public override void ViewDidLoad ()
	{
	}

	public override void ViewWillAppear (bool animated)
	{
	}

	public override void ViewWillDisappear (bool animated)
	{
	}

  partial void showPicker (MonoTouch.UIKit.UIButton sender)
	{
		Console.Error.WriteLine ("# Select Contacts pushed!");
		using (var p = new ABPeoplePickerNavigationController ()) {
			p.SelectPerson += (o, e) => {
				Console.Error.WriteLine ("# select Person: {0}", e.Person);
				toString.Text   = e.Person.ToString ();
				firstName.Text  = e.Person.FirstName;
				lastName.Text   = e.Person.LastName;
				property.Text   = "";
				identifier.Text = "";
				e.Continue = selectProperty.On;
				if (!e.Continue)
					DismissModalViewControllerAnimated (true);
			};
			p.PerformAction += (o, e) => {
				Console.Error.WriteLine ("# perform action; person={0}", e.Person);
				toString.Text   = e.Person.ToString ();
				firstName.Text  = e.Person.FirstName;
				lastName.Text   = e.Person.LastName;
				property.Text   = e.Property.ToString ();
				identifier.Text = e.Identifier.HasValue ? e.Identifier.ToString () : "";
				e.Continue = performAction.On;
				if (!e.Continue)
					DismissModalViewControllerAnimated (true);
			};
			p.Cancelled += (o, e) => {
				Console.Error.WriteLine ("# select Person cancelled.");
				toString.Text   = "Cancelled";
				firstName.Text  = "";
				lastName.Text   = "";
				property.Text   = "";
				identifier.Text = "";
				DismissModalViewControllerAnimated (true);
			};
			PresentModalViewController (p, true);
		}
	}
}