private void remove_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { int index = listBox1.SelectedIndex; listBox1.Items.RemoveAt(listBox1.SelectedIndex); modified = true; ok.Enabled = apply.Enabled = modified; if (index < listBox1.Items.Count) listBox1.SelectedIndex = index; else listBox1.SelectedIndex = listBox1.Items.Count - 1; }