using System; using System.Runtime.InteropServices; using System.Windows.Forms; using Excel; class MainClass { [STAThread] static void Main(string[] args) { Excel.Workbook MyWorkBook; Excel.Worksheet MyWorkSheet; string FileName = @"C:\Mybook.xls"; MyWorkBook = (Excel.Workbook)Marshal.BindToMoniker(FileName); MyWorkSheet = (Excel.Worksheet)MyWorkBook.ActiveSheet; System.Windows.Forms.Application.Run(); } }