Anagrams.Form1.anagrams_Click C# (CSharp) Method

        private void anagrams_Click(object sender, EventArgs e)
        {
            input.Enabled = false;
            Bag input_bag = new Bag(input.Text);
            listView1.Items.Clear();
            fileToolStripMenuItem.Enabled = false;
            start_time = DateTime.Now;
            elapsed_time.Text = "00:00:00";
            timer1.Enabled = true;
            ProgressBar.Value = 0;
            Anagrams.anagrams(input_bag, dictionary, 0,

                // bottom of main loop
                delegate()
                {
                    ProgressBar.PerformStep();
                    Application.DoEvents();
                },

                // done pruning
                delegate(uint recursion_level, List<bag_and_anagrams> pruned_dict)
                {
                    if (recursion_level == 0)
                    {
                        ProgressBar.Maximum = pruned_dict.Count;
                        Application.DoEvents();
                    }
                },

                // found a top-level anagram
                delegate(strings words)
                {
                    string display_me = "";
                    foreach (string s in words)
                    {
                        if (display_me.Length > 0)
                            display_me += " ";
                        display_me += s;
                    }

                    listView1.Items.Add(display_me);
                    listView1.EnsureVisible(listView1.Items.Count - 1);
                    toolStripStatusLabel1.Text = listView1.Items.Count.ToString() + " anagrams so far";
                    if (listView1.Items.Count % 1000 == 0)
                    {
                        Application.DoEvents();
                    }

                });
            timer1.Enabled = false;
            toolStripStatusLabel1.Text = String.Format("Done.  {0} anagrams",
                listView1.Items.Count);
            if (listView1.Items.Count > 0)
                listView1.EnsureVisible(0);
            input.Enabled = true;
            input.Focus();
            // the leading spaces work around a bug in the control: I
            // want the text centered, but that doesn't work.
            // Another workaround is for me to handle the
            // DrawColumnHeader event myself, but I'm too lazy to do that.
            listView1.Columns[0].Text = "                   Click to sort";
            fileToolStripMenuItem.Enabled = true;
        }