True if the specified worksheet can be filtered. This property has no effect if the Protection Enabled property is set to False. Read/write Boolean.
expression.EnableAutoFilter
expression Required. An expression that returns a Worksheet object.
Example
This example enables AutoFilter for the active worksheet, and then protects the worksheet in Spreadsheet1.
Sub ProtectWorksheet_EnableAutoFilter
Spreadsheet1.ActiveSheet.EnableAutoFilter = True
Spreadsheet1.ActiveSheet.Protection.Enabled = True
End Sub