public static string MyAddress(
[Parameter("x")] double x
)
{
XL._Application theApp = ExcelInstance.Instance();
XL.Range range = (XL.Range)theApp.get_Caller(System.Type.Missing);
return(range.get_Address(System.Type.Missing, System.Type.Missing, XL.XlReferenceStyle.xlA1, System.Type.Missing, System.Type.Missing));
}