Private Sub Worksheet_SelectionChange(ByVal Target As Range)
Dim str As String
Dim cboTemp As OLEObject
Dim ws As Worksheet
Set ws = ActiveSheet
On Error GoTo errHandler

Set cboTemp = ws.OLEObjects("TempCombo")
  On Error Resume Next
  With cboTemp
    .ListFillRange = ""
    .LinkedCell = ""
    .Visible = False
  End With
On Error GoTo errHandler
  If Target.Validation.Type = 3 Then
    Application.EnableEvents = False
    str = Target.Validation.Formula1
    str = Right(str, Len(str) - 1)
    With cboTemp
      .Visible = True
      .Left = Target.Left
      .Top = Target.Top
      .Width = Target.Width + 15
      .Height = Target.Height + 5
      .ListFillRange = ws.Range(str).Address
      .LinkedCell = Target.Address
    End With
    cboTemp.Activate
  End If
  
errHandler:
  Application.EnableEvents = True
  Exit Sub

End Sub