VBA Check if a sheet has any data validation

' ----------------------------------------------------------------
' Purpose: Function to check if a sheet contains any data validation
' ----------------------------------------------------------------
Function F_sheetHasDataValidation(sh As Worksheet) As Boolean

    Dim dataValRange As Range

    'Trying to assign data validation cells to a range object, if there is no data validation cells on
    'the sheet dataValRange remains Nothing
    On Error Resume Next
    Set dataValRange = sh.Cells.SpecialCells(xlCellTypeAllValidation)
    On Error GoTo 0

    'If dataValRange is Nothing there is no data validation cell on the sheet
    If dataValRange Is Nothing Then
        F_sheetHasDataValidation = False
    Else
        F_sheetHasDataValidation = True
        Set dataValRange = Nothing
    End If

End Function