Excel Interop - Add a new worksheet after all of the others

Question

I am trying to add a new worksheet to an Excel workbook and make this the last worksheet in the book in C# Excel Interop.

It seems really simple, and I thought the b

Answer 1

This is the only way that works for me:

xlWorkSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlWorkBook.Worksheets.Add
    (System.Reflection.Missing.Value,
     xlWorkBook.Worksheets[xlWorkBook.Worksheets.Count], 
     System.Reflection.Missing.Value, 
     System.Reflection.Missing.Value);