private void InstalledPackage_BeforeDelete(InstalledPackage sender, System.EventArgs e)
 {
     if (sender.Data.Name == "DTP App Pool Refresh")
     {
         InstallHelper installHelper = new InstallHelper();
         installHelper.RemoveSectionDashboard();
         installHelper.RemoveAppSetting();
     }
 }
 protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
 {
     if (WebConfigurationManager.AppSettings["AppPoolRefresh:TouchedOn"] == null)
     {
         InstallHelper installHelper = new InstallHelper();
         installHelper.AddSectionDashboard();
         installHelper.AddAppSetting();                
     }
     InstalledPackage.BeforeDelete += InstalledPackage_BeforeDelete;
 }