How to invoke events across User Controls in ASP.NET

using System;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace EventsAcrossControls
{
	public class SenderControl : UserControl
	{
		protected Button uxButton;
		protected ImageButton uxImage;

		private ButtonEvents events;

		private void Page_Load (object sender, EventArgs e)
		{
			events = new ButtonEvents(Context.Items);
		}

		private void uxButton_Click (object sender, EventArgs e)
		{
			events.ClickButton(sender, e);
		}

		private void uxImage_Click (object sender, ImageClickEventArgs e)
		{
			events.ClickImageButton(sender, e);
		}

		override protected void OnInit (EventArgs e)
		{
			InitializeComponent();
			base.OnInit(e);
		}

		private void InitializeComponent ()
		{
			uxButton.Click += new EventHandler(uxButton_Click);
			uxImage.Click += new ImageClickEventHandler(uxImage_Click);
			Load += new EventHandler(Page_Load);
		}
	}
}