I don't have found any solution on Internet, so I have implemented one.
The Autofilter code with criteria is then
iColNumber = 1
Dim aFilterValueArray() As Variant
Call ConstructFilterValueArray(aFilterValueArray, iColNumber, Array("A", "B", "C"))
ActiveSheet.range(sRange).AutoFilter Field:=iColNumber _
, Criteria1:=aFilterValueArray _
, Operator:=xlFilterValues
In fact, the ConstructFilterValueArray() method (not function) get all distinct values that it found in a specific column and remove all values present in last argument.
The VBA code of this method is
'************************************************************
'* ConstructFilterValueArray()
'************************************************************
Sub ConstructFilterValueArray(a() As Variant, iCol As Integer, aRemoveArray As Variant)
Dim aValue As New Collection
Call GetDistinctColumnValue(aValue, iCol)
Call RemoveValueList(aValue, aRemoveArray)
Call CollectionToArray(a, aValue)
End Sub
'************************************************************
'* GetDistinctColumnValue()
'************************************************************
Sub GetDistinctColumnValue(ByRef aValue As Collection, iCol As Integer)
Dim sValue As String
iEmptyValueCount = 0
iLastRow = ActiveSheet.UsedRange.Rows.Count
Dim oSheet: Set oSheet = Sheets("X")
Sheets("Data")
.range(Cells(1, iCol), Cells(iLastRow, iCol)) _
.AdvancedFilter Action:=xlFilterCopy _
, CopyToRange:=oSheet.range("A1") _
, Unique:=True
iRow = 2
Do While True
sValue = Trim(oSheet.Cells(iRow, 1))
If sValue = "" Then
If iEmptyValueCount > 0 Then
Exit Do
End If
iEmptyValueCount = iEmptyValueCount + 1
End If
aValue.Add sValue
iRow = iRow + 1
Loop
End Sub
'************************************************************
'* RemoveValueList()
'************************************************************
Sub RemoveValueList(ByRef aValue As Collection, aRemoveArray As Variant)
For i = LBound(aRemoveArray) To UBound(aRemoveArray)
sValue = aRemoveArray(i)
iMax = aValue.Count
For j = iMax To 0 Step -1
If aValue(j) = sValue Then
aValue.Remove (j)
Exit For
End If
Next j
Next i
End Sub
'************************************************************
'* CollectionToArray()
'************************************************************
Sub CollectionToArray(a() As Variant, c As Collection)
iSize = c.Count - 1
ReDim a(iSize)
For i = 0 To iSize
a(i) = c.Item(i + 1)
Next
End Sub
This code can certainly be improved in returning an Array of String but working with Array in VBA is not easy.
CAUTION: this code work only if you define a sheet named X because CopyToRange parameter used in AdvancedFilter() need an Excel Range !
It's a shame that Microfsoft doesn't have implemented this solution in adding simply a new enum as xlNotFilterValues ! ... or xlRegexMatch !