Highlight Row and Column VBA

[SRMPURCHASE]

After years of successful use, once a cell is selected the row and column are highlighted, works fine until recently I have to hit F9 to enable the macro.
What would cause this F9 requirement when in the past I have not needed it, the highlighting simply followed my cell selections.


Private Sub Workbook_Open()
End Sub
Sub EnableEvents()
Application.EnableEvents = 1
End Sub
Private Sub Workbook_SheetSelectionChange(ByVal Sh As Object, ByVal Target As Range)
Application.ScreenUpdating = True
End Sub

 

[SRMPURCHASE]

Got it, many thanks again for your assistance, learned a lot in a short time.