Custom Global.asax.cs for Umbraco 7

CustomGlobal.cs

public class CustomGlobal : UmbracoApplication
	{
		public void Init(HttpApplication application)
		{
			application.PreRequestHandlerExecute += application_PreRequestHandlerExecute;
			application.BeginRequest += this.Application_BeginRequest;
			application.EndRequest += this.Application_EndRequest;
			application.Error += Application_Error;
		}

		protected override void OnApplicationStarted(object sender, EventArgs e)
		{
			base.OnApplicationStarted(sender, e);

			// Your code here
		}

		private void application_PreRequestHandlerExecute(object sender, EventArgs e)
		{
			try
			{
				if (Session != null && Session.IsNewSession)
				{
					// Your code here
				}
			}
			catch (Exception ex) { }
		}

		private void Application_BeginRequest(object sender, EventArgs e)
		{
			try
			{
				// You begin request code here
			}
			catch { }
		}

		private void Application_EndRequest(object sender, EventArgs e)
		{
			// Your code here
		}

		protected new void Application_Error(object sender, EventArgs e)
		{
			// Your error handling here
		}
	}

Global.asax

<%@ Application Codebehind="Global.asax.cs" Inherits="CustomGlobal" Language="C#" %>

Awesome thanks