Trying to Finish,
Place the code below in the OnClick event of a command button and change the
the appropriate control and form names to the names of your form and controls:
Dim frm As Form
Dim ctl As Control
Dim varItm As Variant
Set frm = Forms!NameOfYourForm
Set ctl = frm!NameOfYourListBox
Dim strValue As String
For Each varItm In ctl.ItemsSelected
'get the value from the list box
strValue = ctl.ItemData(varItm)
ctl.Selected(varItm) = False
'write value to the text box
If varItm = 0 Then
Me.NameOfYourTextBox = strValue
Else
Me.NameOfYourTextBox = Me.NameOfYourTextBox & ", " & strValue
End If
Next varItm