ShapeTitleOptions.Visibility Property

public VisibilityMode Visibility { get; set; }

Public Property Visibility As VisibilityMode

private void cbTitleVisibility_CheckedChanged(object sender, System.EventArgs e) {
    if (cbTitleVisibility.Checked)
        dot.TitleOptions.Visibility = VisibilityMode.Visible;
    else
        dot.TitleOptions.Visibility = VisibilityMode.Hidden;
}

Private Sub cbTitleVisibility_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cbTitleVisibility.CheckedChanged
    If cbTitleVisibility.Checked Then
        dot.TitleOptions.Visibility = VisibilityMode.Visible
    Else
        dot.TitleOptions.Visibility = VisibilityMode.Hidden
    End If
End Sub