ASR.App.MainForm.HandleClickEvent C# (CSharp) Method

        private void HandleClickEvent(Message message, string eventname)
        {
            if (eventname.StartsWith("itemselector"))
            {
                var parts = eventname.Split(':');
                if (parts.Length == 2)
                {
                    var iselector = Sitecore.Context.ClientPage.FindSubControl(parts[1]) as ItemSelector;
                    if (iselector != null)
                    {
                        Sitecore.Context.ClientPage.Start(iselector, "Clicked");
                    }
                }
            }

            else if (eventname.StartsWith("changepage"))
            {
                var pageno = eventname.Substring(eventname.IndexOf(':') + 1);
                ChangePage(pageno);
            }
            else
            {
                base.HandleMessage(message);
            }
        }