Amoeba.Windows.OptionsWindow._baseNodeUrisListView_PreviewMouseLeftButtonDown C# (CSharp) Method

        private void _baseNodeUrisListView_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            var selectIndex = _baseNodeUrisListView.SelectedIndex;
            if (selectIndex == -1)
            {
                _baseNodeUriTextBox.Text = "tcp:";
                ((ComboBoxItem)_baseNodeUriSchemeComboBox.Items[0]).IsSelected = true;

                return;
            }

            var item = _baseNodeUrisListView.SelectedItem as string;
            if (item == null) return;

            try
            {
                _baseNodeUriTextBox.Text = item;

                var regex = new Regex(@"^(.+?):(.*)$");
                Match match = regex.Match(item);

                if (match.Success)
                {
                    var conboboxItem = _baseNodeUriSchemeComboBox.Items.Cast<ComboBoxItem>()
                        .FirstOrDefault(n => (string)n.Content == match.Groups[1].Value);

                    if (conboboxItem != null)
                    {
                        conboboxItem.IsSelected = true;
                    }
                }
            }
            catch (Exception)
            {

            }
        }