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

it works for me

WorkBook.Worksheets.Add(
    System.Reflection.Missing.Value,
    WorkBook.Worksheets[WorkBook.Worksheets.Count], 
    1, 
    System.Reflection.Missing.Value);