How to Freeze Top Row and Apply Filter in Excel Automation with C#

Question

I have automation to create an Excel document from C#. I am trying to freeze the top row of my worksheet and apply filter. This is the same as in Excel 2010 if you select View >

Answer 1

Try this...

workSheet.Activate();
workSheet.Application.ActiveWindow.SplitRow = 1;
workSheet.Application.ActiveWindow.FreezePanes = true;