void RegisterAsAsset()
        {
            var edit = new AssetEdit(model);
            var message = new EditAssetMessage(new AssetEditViewModel(edit));
            Messenger.Send(message);

            if (message.Result != true) return;

            edit.Register();
            IsAsset = true;
        }
        void EditAsset()
        {
            var edit = new AssetEdit(model);
            var message = new EditAssetMessage(new AssetEditViewModel(edit));
            Messenger.Send(message);

            if (message.Result != true) return;

            edit.Update();
        }