VB.NET SELECT Texte dans une boîte de liste

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
    Dim i As Integer = ListBox1.FindString(TextBox1.Text)
    ListBox1.SelectedIndex = i
    If TextBox1.Text = "" Then
        ListBox1.SelectedIndex = -1
    End If
End Sub
Curious Cassowary