Poderosa.Forms.SSHOptionPanel.OnHostKeyAlgorithmOrderUp C# (CSharp) Метод

        private void OnHostKeyAlgorithmOrderUp(object sender, EventArgs args)
        {
            int i = _hostKeyAlgorithmOrderList.SelectedIndex;
            if (i == -1 || i == 0) {
                return;
            }

            object item = _hostKeyAlgorithmOrderList.SelectedItem;
            _hostKeyAlgorithmOrderList.Items.RemoveAt(i);
            _hostKeyAlgorithmOrderList.Items.Insert(i - 1, item);

            _hostKeyAlgorithmOrderList.SelectedIndex = i - 1;
        }