private void toolStripButton1_Click(object sender, EventArgs e)
 {
     int n = toolStripComboBox1.SelectedIndex;
     if (n == -1)
         return;
     Dialog = new ME2BioConversation(pcc as ME2Package, Objs[n]);
     RefreshTabs();
 }
 public override void handleUpdate(List<PackageUpdate> updates)
 {
     IEnumerable<PackageUpdate> relevantUpdates = updates.Where(x => x.change != PackageChange.Import &&
                                                                     x.change != PackageChange.ImportAdd &&
                                                                     x.change != PackageChange.Names);
     List<int> updatedExports = relevantUpdates.Select(x => x.index).ToList();
     if (Dialog != null && updatedExports.Contains(Dialog.MyIndex))
     {
         //loaded dialog is no longer a dialog
         if (pcc.getExport(Dialog.MyIndex).ClassName != "BioConversation")
         {
             listBox1.Items.Clear();
             listBox2.Items.Clear();
             listBox3.Items.Clear();
             listBox4.Items.Clear();
             listBox5.Items.Clear();
             treeView1.Nodes.Clear();
             treeView2.Nodes.Clear();
         }
         else
         {
             Dialog = new ME2BioConversation(pcc as ME2Package, Dialog.MyIndex);
             RefreshTabs();
         }
         updatedExports.Remove(Dialog.MyIndex);
     }
     if (updatedExports.Intersect(Objs).Count() > 0)
     {
         Objs = new List<int>();
         for (int i = 0; i < pcc.Exports.Count; i++)
             if (pcc.Exports[i].ClassName == "BioConversation")
                 Objs.Add(i);
         RefreshCombo();
     }
     else
     {
         foreach (var i in updatedExports)
         {
             if (pcc.getExport(i).ClassName == "BioConversation")
             {
                 Objs = new List<int>();
                 for (int j = 0; j < pcc.Exports.Count; j++)
                     if (pcc.Exports[j].ClassName == "BioConversation")
                         Objs.Add(j);
                 RefreshCombo();
                 break;
             }
         }
     }
 }