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using MonoTouch.UIKit;
using System.Drawing;
using System;
using MonoTouch.Foundation;
namespace ButtonEventDemo
public partial class ButtonEventDemoViewController : UIViewController
public ButtonEventDemoViewController (string nibName, NSBundle bundle) : base (nibName, bundle)
public override void DidReceiveMemoryWarning ()
// Releases the view if it doesn't have a superview.
base.DidReceiveMemoryWarning ();
// Release any cached data, images, etc that aren't in use.
public override void ViewDidLoad ()
base.ViewDidLoad ();
//Here we register for the TouchUpInside event using an outlet to
//the UIButton created in Interface Builder. Also see the target-action
//approach for accomplishing the same thing below.
aButton.TouchUpInside += (o,s) => {
Console.WriteLine ("button touched using a TouchUpInside event");
//You could also use a C# 2.0 style anonymous function
// aButton.TouchUpInside += delegate {
// Console.WriteLine ("button touched");
// };
public override void ViewDidUnload ()
base.ViewDidUnload ();
aButton = null;
public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
// Return true for supported orientations
return (toInterfaceOrientation != UIInterfaceOrientation.PortraitUpsideDown);
//This is an action method connected to the TouchUpInside event
//of a UIButton. The action is connected via Interface Builder
//The same thing can be accomplished with a .NET event registered
//to the UIButton in code, as we do in the ViewDidLoad method above.
partial void HandleButtonTouch (NSObject sender)
Console.WriteLine ("button touched using the action method");
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