private static void MenuItemCallback(object sender, EventArgs e)
        {
            var dte = (DTE)Package.GetGlobalService(typeof(SDTE));

            dte.UndoContext.Open("ctx");
            try
            {
                AddInheritdocEverywhere.Execute(dte.ActiveDocument.ProjectItem);
            }
            finally
            {
                dte.UndoContext.Close();
            }
        }
        private static void MenuItemCallback(object sender, EventArgs e)
        {
            var dte = (DTE2)Package.GetGlobalService(typeof(SDTE));

            dte.UndoContext.Open("ctx", false);
            try
            {
                List <ProjectItem> projectItems = TfsService.GetPendingChanges();
                foreach (var projectItem in projectItems)
                {
                    AddInheritdocEverywhere.Execute(projectItem);
                }
            }
            finally
            {
                dte.UndoContext.Close();
            }
        }