Recycle ASP.NET Application Pool from within

/// <summary>
/// Restarts the Web Application
/// Requires either Full Trust (HttpRuntime.UnloadAppDomain)
/// or Write access to web.config.
/// </summary>
public static bool RestartWebApplication()
{
    var logger = LogManager.GetLogger("HttpProsperoApplication.RestartWebApplication");
    bool rtn = false;
    try
    {
        logger.Info("Restarting AppPool with UnloadAppDomain");
        // *** This requires full trust so this will fail in many scenarios
        HttpRuntime.UnloadAppDomain();
        rtn = true;
    }
    catch (Exception ex)
    {
        logger.ErrorException("Cannot recycle AppPool with HttpRuntime.UnloadAppDomain", ex);
        try
        {
            logger.Info("Restarting AppPool modifying web.config");
            // *** Couldn't unload with Runtime - let's try modifying web.config
            string configPath = HttpContext.Current.Server.MapPath(@"~\web.config");
            File.SetLastWriteTimeUtc(configPath, DateTime.UtcNow);
            rtn = true;
        }
        catch (Exception ex2)
        {
            logger.ErrorException("Cannot recycle AppPool modifying web.config", ex2);
        }
    }
    return rtn;
}