AutoWikiBrowser.MainForm.lbDuplicateWikilinks_Click C# (CSharp) Method

        private void lbDuplicateWikilinks_Click(object sender, EventArgs e)
        {
            EditBoxTab.SelectedTab = tpEdit;
            int selection = lbDuplicateWikilinks.SelectedIndex;
            if (selection != OldSelection)
                txtEdit.ResetFind();
            if (lbDuplicateWikilinks.SelectedIndex != -1)
            {
                string strLink = lbDuplicateWikilinks.SelectedItem.ToString();

                // remove the duplicate link count added to the end above
                strLink = Regex.Replace(strLink, @" \(\d+\)$", "");

                // perform case sensitive search, but make search on first character of link case insensitive
                // as first character may have been converted to upper case
                txtEdit.Find("\\[\\[(?i)" + Regex.Escape(strLink[0].ToString()) + @"(?-i)" + Regex.Escape(strLink.Remove(0, 1)) + "(\\|.*?)?\\]\\]", true, true, TheArticle.Name);
                btnRemove.Enabled = true;
            }
            else
            {
                txtEdit.ResetFind();
                btnRemove.Enabled = false;
            }

            ArticleInfo(false);
            try
            {
                if (lbDuplicateWikilinks.Items.Count != selection + 2)
                    lbDuplicateWikilinks.SelectedIndex = selection + 2;
                else
                    lbDuplicateWikilinks.SelectedIndex = selection + 1;
                lbDuplicateWikilinks.SelectedIndex = selection;
            }
            catch
            {
                lbDuplicateWikilinks.SelectedIndex = lbDuplicateWikilinks.Items.Count - 1;
            }
            OldSelection = selection;
        }