VSPackage Extension ----How to get Active project Name in Solution Explorer

        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void MenuItemCallback(object sender, EventArgs e)
        {
            Project proj = GetActiveProject();
            MessageBox.Show(proj.Name);
        }

        internal static Project GetActiveProject()
        {
            DTE dte = Package.GetGlobalService(typeof(SDTE)) as DTE;
            return GetActiveProject(dte);
        }
        internal static Project GetActiveProject(DTE dte)
        {
            Project activeProject = null;
            Array activeSolutionProjects = dte.ActiveSolutionProjects as Array;
            if (activeSolutionProjects != null && activeSolutionProjects.Length > 0)
            {
                activeProject = activeSolutionProjects.GetValue(0) as Project;
            }
            return activeProject;
        }