excelImport/Source/ExcelImprot/MainController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ExcelImprot
{
    public class MainController
    {
        private static MainController _objMySelf;

        private LExcelHandler _objExcelHander;

        private MainController()
        {

        }

        public static MainController GetInstance()
        {
            if (_objMySelf == null)
                _objMySelf = new MainController();

            return _objMySelf;
        }

        public bool Initialize()
        {
            _objExcelHander = new LExcelHandler(true);

            if (_objExcelHander == null)
                return false;

            return true;
        }

        public LExcelHandler OpenedExcel
        {
            get { return _objExcelHander; }
        }
    }
}