Catrobat.IDE.Core.ViewModels.Editor.Actions.AddNewScriptBrickViewModel.ReceiveScriptBrickCollectionMessageAction C# (CSharp) Метод

        private void ReceiveScriptBrickCollectionMessageAction(GenericMessage<List<Object>> message)
        {
            _actionsCollection = message.Content[0] as ActionsCollection;
            _firstVisibleScriptBrickIndex = ((PortableListBoxViewPort)message.Content[1]).FirstVisibleIndex;
            _lastVisibleScriptBrickIndex = ((PortableListBoxViewPort)message.Content[1]).LastVisibleIndex;
        }