/// <summary>
        /// Executes the add container command.
        /// </summary>
        private void ExecuteAddContainerCommand()
        {
            var newObject = new RHSStringTableTools.Model.Container();
            var viewModel = new ContainerEditViewModel(newObject, (Package)this.SelectedNode);

            var view = new ContainerEditView { DataContext = viewModel };

            view.ShowDialog();
        }
        /// <summary>
        /// Executes the edit container command.
        /// </summary>
        private void ExecuteEditContainerCommand()
        {
            var viewModel = new ContainerEditViewModel((RHSStringTableTools.Model.Container)this.SelectedNode);

            var view = new ContainerEditView { DataContext = viewModel };

            view.ShowDialog();
        }