I need to find out if a worksheet named Sheet1 exists in a closed workbook.

A search of news groups suggest you can use ADO to find out sheet names in
closed workbooks but I don't need to know the names. I just need to know if
Sheet1 exists in a workbook. If it doesn't exist, that workbook is ignored.
I have other validation code to screen for improper data on closed workbooks
when the name is Sheet1 which is a pretty common name so that part is not a
problem.

My code for reading data from closed workbooks works fine until a workbook
is found that doesn't have a sheet named Sheet1. Then Excel puts up a list
of sheet names for the workbook. I haven't coded for this, don't know how
and don't want to and even though it creates an error eventually that I
handle, it thoroughly confuses Users.

I'd sure like to find some way to query the closed workbook to see if Sheet1
exist. An error returned on a workbook without Sheet1 is fine since that
can be handled.

Ideas would be very greatly appreciated.