[VB6DAO]

كود :

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    For i = 0 To 2999
        Me.ListBox1.Items.Add(SpecialNumber(i))
    Next
End Sub

Public Function SpecialNumber(ByVal n As Integer) As String
    Dim c() As Char = {"", "a", "b", "c", "d", "e", "f", "g", "h", "i"} '.....
    If n > 999 Then
        Return (c(n \ 1000) & If((n Mod 1000) > 0, (n Mod 1000).ToString, ""))
    Else
        Return ((n Mod 1000).ToString)
    End If
End Function