Radegast.Notecard.Assets_OnAssetReceived C# (CSharp) Method

        void Assets_OnAssetReceived(AssetDownload transfer, Asset asset)
        {
            if (InvokeRequired)
            {
                if (!instance.MonoRuntime || IsHandleCreated)
                    BeginInvoke(new MethodInvoker(() => Assets_OnAssetReceived(transfer, asset)));
                return;
            }

            if (transfer.Success)
            {
                AssetNotecard n = (AssetNotecard)asset;
                n.Decode();
                receivedNotecard = n;

                string noteText = string.Empty;
                rtbContent.Clear();

                for (int i = 0; i < n.BodyText.Length; i++)
                {
                    char c = n.BodyText[i];

                    if ((int)c == 0xdbc0)
                    {
                        int index = (int)n.BodyText[++i] - 0xdc00;
                        InventoryItem e = n.EmbeddedItems[index];
                        rtbContent.AppendText(noteText);
                        rtbContent.InsertLink(e.Name, string.Format("radegast://embeddedasset/{0}", index));
                        noteText = string.Empty;
                    }
                    else
                    {
                        noteText += c;
                    }
                }

                rtbContent.Text += noteText;

                if (n.EmbeddedItems != null && n.EmbeddedItems.Count > 0)
                {
                    tbtnAttachments.Enabled = true;
                    tbtnAttachments.Visible = true;
                    foreach (InventoryItem item in n.EmbeddedItems)
                    {
                        int ix = InventoryConsole.GetItemImageIndex(item.AssetType.ToString().ToLower());
                        ToolStripMenuItem titem = new ToolStripMenuItem(item.Name);

                        if (ix != -1)
                        {
                            titem.Image = frmMain.ResourceImages.Images[ix];
                            titem.DisplayStyle = ToolStripItemDisplayStyle.ImageAndText;
                        }
                        else
                        {
                            titem.DisplayStyle = ToolStripItemDisplayStyle.Text;
                        }

                        titem.Name = item.UUID.ToString(); ;
                        titem.Tag = item;
                        titem.Click += new EventHandler(attachmentMenuItem_Click);

                        var saveToInv = new ToolStripMenuItem("Save to inventory");
                        saveToInv.Click += (object xsender, EventArgs xe) =>
                            {
                                client.Inventory.RequestCopyItemFromNotecard(UUID.Zero,
                                    notecard.UUID,
                                    client.Inventory.FindFolderForType(item.AssetType),
                                    item.UUID,
                                    Inventory_OnInventoryItemCopied);
                            };

                        titem.DropDownItems.Add(saveToInv);
                        tbtnAttachments.DropDownItems.Add(titem);
                    }
                }
                UpdateStatus("OK");
                rtbContent.Focus();
            }
            else
            {
                UpdateStatus("Failed");
                rtbContent.Text = "Failed to download notecard. " + transfer.Status;
            }
        }