Using numberformats in Excel

using System;
using System.Reflection;
using System.Globalization;
using NetOfficeApi = LateBindingApi.Core.Factory;
using ApiSettings = LateBindingApi.Core.Settings;
using Excel = NetOffice.ExcelApi;
using NetOffice.ExcelApi.Enums;
namespace CSharpCornerExample
{
    class Program
    {
        static void Main(string[] args)
        {
            // Initialize Api
            NetOfficeApi.Initialize();
            // start excel and turn Application msg boxes
            Excel.Application excelApplication = new Excel.Application();
            excelApplication.DisplayAlerts = false;
            // add a new workbook
            Excel.Workbook workBook = excelApplication.Workbooks.Add();
            Excel.Worksheet workSheet = (Excel.Worksheet)workBook.Worksheets[1];
            /* some kind of numerics */
            // the given thread culture in all latebinding calls are stored in 
            //LateBindingApi.Core.Settings.
            // you can change the culture. default is en-us.
            CultureInfo cultureInfo = ApiSettings.ThreadCulture;
            string Pattern1 = string.Format("0{0}00",
            cultureInfo.NumberFormat.CurrencyDecimalSeparator);            
            string Pattern2 = string.Format("#{1}##0{0}00",
            cultureInfo.NumberFormat.CurrencyDecimalSeparator,              
            cultureInfo.NumberFormat.CurrencyGroupSeparator);
            workSheet.get_Range("A1").Value = "Type";
            workSheet.get_Range("B1").Value = "Value";
            workSheet.get_Range("C1").Value = "Formatted " + Pattern1;
            workSheet.get_Range("D1").Value = "Formatted " + Pattern2;
            int integerValue = 532234;
            workSheet.get_Range("A3").Value = "Integer";
            workSheet.get_Range("B3").Value = integerValue;
            workSheet.get_Range("C3").Value = integerValue;
            workSheet.get_Range("C3").NumberFormat = Pattern1;
            workSheet.get_Range("D3").Value = integerValue;
            workSheet.get_Range("D3").NumberFormat = Pattern2;
            double doubleValue = 23172.64;
            workSheet.get_Range("A4").Value = "double";
            workSheet.get_Range("B4").Value = doubleValue;
            workSheet.get_Range("C4").Value = doubleValue;
            workSheet.get_Range("C4").NumberFormat = Pattern1;
            workSheet.get_Range("D4").Value = doubleValue;
            workSheet.get_Range("D4").NumberFormat = Pattern2;
            float floatValue = 84345.9132f;
            workSheet.get_Range("A5").Value = "float";
            workSheet.get_Range("B5").Value = floatValue;
            workSheet.get_Range("C5").Value = floatValue;
            workSheet.get_Range("C5").NumberFormat = Pattern1;
            workSheet.get_Range("D5").Value = floatValue;
            workSheet.get_Range("D5").NumberFormat = Pattern2;
            Decimal decimalValue = 7251231.313367m;
            workSheet.get_Range("A6").Value = "Decimal";
            workSheet.get_Range("B6").Value = decimalValue;
            workSheet.get_Range("C6").Value = decimalValue;
            workSheet.get_Range("C6").NumberFormat = Pattern1;
            workSheet.get_Range("D6").Value = decimalValue;
            workSheet.get_Range("D6").NumberFormat = Pattern2;
            workSheet.get_Range("A9").Value = "DateTime";
            workSheet.get_Range("B10").Value = cultureInfo.DateTimeFormat.FullDateTimePattern;
            workSheet.get_Range("C10").Value = cultureInfo.DateTimeFormat.LongDatePattern;
            workSheet.get_Range("D10").Value = cultureInfo.DateTimeFormat.ShortDatePattern;
            workSheet.get_Range("E10").Value = cultureInfo.DateTimeFormat.LongTimePattern;
            workSheet.get_Range("F10").Value = cultureInfo.DateTimeFormat.ShortTimePattern;
            // DateTime
            DateTime dateTimeValue = DateTime.Now;
            workSheet.get_Range("B11").Value = dateTimeValue;
            workSheet.get_Range("B11").NumberFormat = 
            cultureInfo.DateTimeFormat.FullDateTimePattern;
            workSheet.get_Range("C11").Value = dateTimeValue;
            workSheet.get_Range("C11").NumberFormat = 
            cultureInfo.DateTimeFormat.LongDatePattern;
            workSheet.get_Range("D11").Value = dateTimeValue;
            workSheet.get_Range("D11").NumberFormat = 
            cultureInfo.DateTimeFormat.ShortDatePattern;
            workSheet.get_Range("E11").Value = dateTimeValue;
            workSheet.get_Range("E11").NumberFormat = 
            cultureInfo.DateTimeFormat.LongTimePattern;
            workSheet.get_Range("F11").Value = dateTimeValue;
            workSheet.get_Range("F11").NumberFormat = 
            cultureInfo.DateTimeFormat.ShortTimePattern;
            // string
            workSheet.get_Range("A14").Value = "String";
            workSheet.get_Range("B14").Value = "This is a sample String";
            workSheet.get_Range("B14").NumberFormat = "@";
            // number as string
            workSheet.get_Range("B15").Value = "513";
            workSheet.get_Range("B15").NumberFormat = "@";
            // set colums
            workSheet.Columns[1, Missing.Value].AutoFit();
            workSheet.Columns[2, Missing.Value].AutoFit();
            workSheet.Columns[3, Missing.Value].AutoFit();
            workSheet.Columns[4, Missing.Value].AutoFit();
            // save the book 
            string fileExtension = GetDefaultExtension(excelApplication);
            string workbookFile = string.Format("{0}\\ExcelExample{1}", Environment.CurrentDirectory,             fileExtension);
            workBook.SaveAs(workbookFile, Missing.Value, Missing.Value, Missing.Value, Missing.Value,             Missing.Value,
            XlSaveAsAccessMode.xlExclusive);
            // close excel and dispose reference
            excelApplication.Quit();
            excelApplication.Dispose();
        } 
            #region Helper
            /// <summary>
            /// returns the valid file extension for the instance. for example ".xls" or ".xlsx"
            /// </summary>
            /// <param name="application">the instance</param>
            /// <returns>the extension</returns>
        private static string GetDefaultExtension(Excel.Application application)
        {
            double version = Convert.ToDouble(application.Version);
            if (version >= 120.00)
                return ".xlsx";
            else
                return ".xls";
        }
        #endregion

   }
}