OleViewDotNet.COMRegistryViewer.SetupCLSIDNodeTree C# (CSharp) Method

        private async Task SetupCLSIDNodeTree(TreeNode node, bool bRefresh)
        {
            COMCLSIDEntry clsid = null;

            if (node.Tag is COMCLSIDEntry)
            {
                clsid = (COMCLSIDEntry)node.Tag;

            }
            else if (node.Tag is COMProgIDEntry)
            {
                clsid = m_reg.MapClsidToEntry(((COMProgIDEntry)node.Tag).Clsid);
            }

            if (clsid != null)
            {
                node.Nodes.Clear();
                TreeNode wait_node = new TreeNode("Please Wait, Populating Interfaces", InterfaceIcon, InterfaceIcon);
                node.Nodes.Add(wait_node);
                try
                {
                    await clsid.LoadSupportedInterfacesAsync(bRefresh);
                    if (clsid.Interfaces.Count() > 0)
                    {
                        node.Nodes.Remove(wait_node);
                        foreach (COMInterfaceInstance ent in clsid.Interfaces)
                        {
                            node.Nodes.Add(CreateInterfaceNameNode(m_reg.MapIidToInterface(ent.Iid), ent));
                        }
                    }
                    else
                    {
                        wait_node.Text = "Error querying COM interfaces - Timeout";
                    }
                }
                catch (Win32Exception ex)
                {
                    wait_node.Text = String.Format("Error querying COM interfaces - {0}", ex.Message);
                }
            }
        }