 m_iLastSortIndex
End Property
Public Property Let LastSortIndex( _
        ByVal iLastSortIndex As Integer _
    )
    m_iLastSortIndex = iLastSortIndex
End Property

Public Property Let SortColumn( _
        ByVal iSortIndex As Integer, _
        ByVal iSortColumn As Integer _
    )
Attribute SortColumn.VB_Description = "Gets/sets the column to sort by for the
 specified index."
   If (pbValidSortIndex(iSortIndex)) Then
      If Not (m_tSort(iSortIndex).Column = iSortColumn) Then
         m_tSort(iSortInd