This article contains an example of using the selected item in one ListBox control on a UserForm to determine the list that will populate a second ListBox control.

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1. Close and save any open workbooks and then open a new workbook.
2. On Sheet1, enter the following values:

       A1: North Carolina  B1: Charlotte   C1: Charleston  D1: Charlottesville
       A2: South Carolina  B2: Greensboro  C2: Columbia    D2: Norfolk
       A3: Virginia        B3: Raleigh     C3: Greenville  D3: Richmond

3. Start the Visual Basic Editor (press ALT+F11).
4. If the Properties Window is not visible, click Properties on the View menu (or press F4).
5. On the Insert menu, click UserForm.
6. Draw a ListBox control on the UserForm.
7. Activate the Properties window (press F4).
8. Select the RowSource property and type Sheet1!A1:A3.
9. Draw another ListBox control on the UserForm
10. Double-click the ListBox1 control (from Step 6) to open up the Code Window for the UserForm.
11. In the module type the following code for the ListBox1 Click event:

    Private Sub ListBox1_Click()
    
               'Get the currently selected item
               Select Case ListBox1.Value
    
                   'If North Carolina, set RowSource property of ListBox2
                   'to Column B.
                   Case "North Carolina"
                       ListBox2.RowSource = "Sheet1!B1:B3"
    
                   'If South Carolina, set RowSource property of ListBox2
                   'to Column C.
                   Case "South Carolina"
                       ListBox2.RowSource = "Sheet1!C1:C3"
    
                   'If Virginia, set RowSource property of ListBox2 to
                   'Column D.
                   Case "Virginia"
                       ListBox2.RowSource = "Sheet1!D1:D3"
    
               End Select
    
           End Sub
    						

12. Run the UserForm.
    
    When you choose one of the items in ListBox1, the list in ListBox2 updates, reflecting the choice you made in ListBox1.
13. Close the UserForm.

For more information about ListBoxes, click the Index tab in Visual Basic for Applications Help, type the following text and then double-click the selected text to go to the "ListBox control" topic.