1。同意楼上
Private Sub Command1_Click()
t = add2list(Text1, List1) ‘用法
End Sub
Private Sub Form_Load()
List1.AddItem "apple"
List1.AddItem "banana"
List1.AddItem "orange"
End Sub
Function add2list(ByVal s As String, ls As ListBox) As Boolean
For i = 0 To ls.ListCount
If ls.List(i) = s Then '有相同数据
add2list = False
Exit Function
End If
Next
ls.AddItem s
add2list = True
End Function