Assembly: Microsoft.Office.Interop.Excel (in microsoft.office.interop.excel.dll)
Pane objects exist only for worksheets and Microsoft Excel 4.0 macro sheets. The Pane object is a member of the Panes collection. The Panes collection contains all of the panes shown in a single window.
Use Panes(index), where index is the pane index number, to return a single Pane object.