I keep looking for examples on how to add a radio button to an Excel worksheet programmatically but cannot get a straight answer. I've tried using Microsoft.Office.Interop.Excel and Microsoft.Office.Tools.Excel but neither have worked. The system I am working on already has Microsoft.Office.Interop.Excel as a reference so unless there are any objections to using this assembly, this would be my preference.I keep looking for examples on how to add a rad