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Control two or more ListBox with one Scroolbar

Private Sub Command5_Click()
MyList(0).AddItem "33", 0 'adds Items to the Lists and then
MyList(1).AddItem "77", 0
MyList(2).AddItem "270", 0
MyList(3).AddItem "Moldy Green", 0
PopulateLists 'refills the front list boxes
End Sub

Private Sub Form_Load()
Dim X As Long 'Fills the Front Listboxes with Nothing
'so that they are easyer to deal with
For X = 0 To 11
MyListFront(0).AddItem ""
MyListFront(1).AddItem ""
MyListFront(2).AddItem ""
Next X
PopulateLists 'then fills them with the Background data
End Sub

Private Sub MyList_Click(Index As Integer)
If MyList(3).ListIndex - MyList(3).TopIndex >= 0 And MyList(3).ListIndex - MyList(3).TopIndex < 12 Then
MyListFront(0).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
MyListFront(1).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
MyListFront(2).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
Else
MyListFront(0).ListIndex = -1 'If the selected item in the right list is with in
MyListFront(1).ListIndex = -1 'the scope of the Front Lists then it selectets them
MyListFront(2).ListIndex = -1
End If
End Sub

Private Sub MyList_Scroll(Index As Integer)
MyList_Click 3 'Uses Current code to do scroll event
PopulateLists
End Sub

Private Sub MyListFront_Click(Index As Integer)
Dim X As Long

If MyList(2).ListCount > 0 Then 'When Clicked selects all lists
If MyListFront(Index).ListIndex >= 0 Then
MyListFront(0).Selected(MyListFront(Index).ListIndex) = True
MyListFront(1).Selected(MyListFront(0).ListIndex) = True
MyListFront(2).Selected(MyListFront(0).ListIndex) = True
MyList(3).Selected(MyListFront(Index).ListIndex + MyList(3).TopIndex) = True
End If
End If
End Sub

Sub MyLists_Click(Index As Integer)
Dim X As Byte
Dim TowerVar As String
Dim LevelVar As String

If MyList(Index).ListCount > 0 Then 'When Clicked selects all lists
If MyList(Index).ListIndex - MyList(Index).TopIndex >= 0 And MyList(Index).ListIndex - MyList(Index).TopIndex < 12 Then
MyListFront(0).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
MyListFront(1).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
MyListFront(2).Selected(MyList(3).ListIndex - MyList(3).TopIndex) = True
Else
MyListFront(0).ListIndex = -1
MyListFront(1).ListIndex = -1
MyListFront(2).ListIndex = -1
End If
End If
End Sub

Private Sub MyLists_Scroll(Index As Integer)
Dim X As Byte

For X = 0 To 2
MyList(X).TopIndex = MyList(Index).TopIndex
Next X
If MyList(2).ListIndex - MyList(2).TopIndex < 0 Or MyList(2).ListIndex - MyList(2).TopIndex > 7 Then
MyListFront(0).ListIndex = -1
MyListFront(1).ListIndex = -1
Else
MyListFront(0).Selected(MyList(2).ListIndex - MyList(2).TopIndex) = True
MyListFront(1).Selected(MyList(2).ListIndex - MyList(2).TopIndex) = True
End If
PopulateLists
End Sub

Sub PopulateLists()
Dim X As Long

For X = 0 To 11
MyListFront(0).List(X) = MyList(0).List(X + MyList(3).TopIndex)
MyListFront(1).List(X) = MyList(1).List(X + MyList(3).TopIndex)
MyListFront(2).List(X) = MyList(2).List(X + MyList(3).TopIndex)
Next X
MyLists_Click 3
End Sub
 One Scroolbar

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