Window.Panes Property (Excel)
Returns a Panes collection that represents all the panes in the specified window. Read-only.
This example displays the number of panes in the active window in Book1.xls.
Workbooks("BOOK1.XLS").Worksheets("Sheet1").Activate MsgBox "There are " & ActiveWindow.Panes.Count & _ " panes in the active window"
This example activates the pane in the upper-left corner of the active window in Book1.xls.