Print listview listitems and columnheader

How to set the A4 paper to print the listview listitems and listview column header as lanscape or potrait?By default it print as potrait. So How to set the paper to print as lanscape if the columnheader reach the A4 limit margin size?

Code:

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'Print Column Header
Dim head As ColumnHeader
    Dim colColumnIndexes As Collection
    Dim Idx As Long
    Dim iTab As Long
   
    Set colColumnIndexes = New Collection
    iTab = 5
    Printer.FontUnderline = True
    'Print the column headers and load the collection of
    'column indexes that will be used when printing the ListView data.
    For Idx = 0 To printtext.List2.ListCount - 1
        For Each head In Form5.ListView2.ColumnHeaders
            If printtext.List2.List(Idx) = head.Text Then
               
                Printer.Print Tab(iTab); printtext.List2.List(Idx);
                iTab = iTab + 30
                colColumnIndexes.Add head.SubItemIndex
               
            End If
        Next
    Next
   
    Printer.Print
   
Printer.Print vbCrLf
'Print ListItem
    Dim item As ListItem
    Dim strItem As String
    For Each item In Form5.ListView2.ListItems
        iTab = 5
        For Idx = 1 To colColumnIndexes.Count
        Printer.FontUnderline = False
            If colColumnIndexes(Idx) = 0 Then 'this is not a subitem, so print the listitem data
                strItem = item.Text
            Else
                strItem = item.ListSubItems(colColumnIndexes(Idx)).Text
            End If
            Printer.Print Tab(iTab); strItem;
            iTab = iTab + 25
           
        Next
        Printer.Print
    Next
    Printer.EndDoc

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