private void AddInterlockType(NodeView nodeView)
        {
            var cmsWebServiceClient = new CmsWebServiceClient(Utils.WcfBinding, Utils.WcfEndPoint);
            var dialog = new AddEditInterlockTypeDialog();
            dialog.Show();

            dialog.Closed += (s1, e1) =>
            {
                if (dialog.DialogResult.HasValue && dialog.DialogResult.Value)
                {
                    EventHandler<AddInterlockTypeCompletedEventArgs> addCompleted = null;
                    addCompleted = (s2, eventArgs) =>
                    {
                        var mect = eventArgs.Result;

                        if (mect != null)
                        {
                            var child = new NodeView(nodeView)
                            {
                                Id = mect.Id,
                                Name = dialog.InterlockType.Name,
                                Description = dialog.InterlockType.Description,
                                Icon = "/CmsEquipmentDatabase;component/Images/Configuration.png",
                                Type = NodeType.InterlockType,
                                HasChildren = true,
                                SortField = dialog.InterlockType.Ordinal.ToString()
                            };
                            if (nodeView.ChildrenLoaded)
                            {
                                nodeView.Children.Add(child);
                                nodeView.Sort();
                            }
                        }
                        cmsWebServiceClient.AddInterlockTypeCompleted -= addCompleted;
                    };

                    cmsWebServiceClient.AddInterlockTypeCompleted += addCompleted;
                    cmsWebServiceClient.AddInterlockTypeAsync(dialog.InterlockType);
                }
            };
        }
        private void EditInterlockType(NodeView nodeView)
        {
            var cmsWebServiceClient = new CmsWebServiceClient(Utils.WcfBinding, Utils.WcfEndPoint);
            EventHandler<GetInterlockTypeCompletedEventArgs> getInterlockCompleted = null;
            getInterlockCompleted = (s, eventArgs) =>
            {
                var mc = eventArgs.Result;

                var dialog = new AddEditInterlockTypeDialog(mc);
                dialog.Show();
                dialog.Closed += (s1, e1) =>
                {
                    if (dialog.DialogResult.HasValue && dialog.DialogResult.Value)
                    {
                        EventHandler<AddInterlockTypeCompletedEventArgs> addCompleted = null;
                        addCompleted = (s2, e2) =>
                        {
                            var interlockType = e2.Result;
                            nodeView.Name = interlockType.Name;
                            nodeView.Description = interlockType.Description;
                            nodeView.SortField = interlockType.Ordinal.ToString();

                            cmsWebServiceClient.AddInterlockTypeCompleted -= addCompleted;
                            nodeView.Parent.Sort();
                        };

                        cmsWebServiceClient.AddInterlockTypeCompleted += addCompleted;
                        cmsWebServiceClient.AddInterlockTypeAsync(dialog.InterlockType);
                    }
                };
                cmsWebServiceClient.GetInterlockTypeCompleted -= getInterlockCompleted;
            };
            cmsWebServiceClient.GetInterlockTypeCompleted += getInterlockCompleted;
            cmsWebServiceClient.GetInterlockTypeAsync(nodeView.Id);
        }