How to open Excel file with Read Only protection?

Question

I have opened Excel file in my C# WinForm Application adding reference to Microsoft.Office.Interop.Excel.dll and using DSO FRAMER CONTROL. But i want to open my exc

Answer 1

Call theOpen method with third parameter (ReadOnly) = true.

See MSDN documentation :

ReadOnly
Optional Object. True to open the workbook in read-only mode.