Extracting available source safe paths in c#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.VisualStudio.SourceSafe.Interop; //Add references
using Excel = Microsoft.Office.Interop.Excel; //Add reference

namespace vss
{
    class Program
    {
        private static Excel.Workbook MyBook = null;
        private static Excel.Application MyApp = null;
        private static Excel.Worksheet MySheet = null;
        public static int index = 2;
        public static Excel.Application myApp;

        static void Main(string[] args)
        {
            // Create a VSSDatabase object.
            VSSDatabase vssDatabase = new VSSDatabase();

            //Replace '<>' with your values

            // Open a VSS database using network name for automatic user login.
            vssDatabase.Open(@"<VSS_DBPAth>", "<username>", "<password>");

            // vssFolder represents a SourceSafe project
            IVSSItem vssFolder = vssDatabase.get_VSSItem("$/", false);
            IVSSItems items = vssFolder.get_Items(false);

            MyApp = new Excel.Application();
            MyApp.Visible = false;
            MyBook = MyApp.Workbooks.Open(@"<Excel_Path>");
            MySheet = (Excel.Worksheet)MyBook.Sheets[1];
            GetItems(vssFolder);

            MyApp.Quit();
            Console.Read();
        }

        static void GetItems(IVSSItem folder)
        {
            IVSSItems items = folder.get_Items(false);
            foreach (IVSSItem item in items)
            {
                if (item.Type == 0)
                {
                    WriteInExcel(item.Spec);
                    //Console.WriteLine(item.Spec);
                    GetItems(item);
                }
            }

        }

        static void WriteInExcel(string path)
        {

            MySheet.Cells[index++, 2] = path;
            MyBook.Save();
        }
    }
}