private void btnEditPresentation_Click(object sender, RoutedEventArgs e)
        {
            if (lbPresentations.SelectedItem != null)
            {
                Webb.Playbook.Data.Presentation presentation = new Webb.Playbook.Data.Presentation();

                presentation.Load((this.lbPresentations.SelectedItem as FrameworkElement).Tag.ToString());

                SelectPlayWindow spw = new SelectPlayWindow(fRootViewModel, pRootViewModel, presentation)
                {
                    Owner = this,
                };

                if (spw.ShowDialog().Value&& spw.Presentation != null)
                {
                    presentation = spw.Presentation;

                    presentation.Save(spw.PresentationPath);

                    LoadPresentations();
                }
            }
            else
            {
                MessageBox.Show("Please select a presentation");
            }
        }
        private void btnCreatePresentation_Click(object sender, RoutedEventArgs e)
        {
            SelectPlayWindow spw = new SelectPlayWindow(fRootViewModel, pRootViewModel)
            {
                Owner = this,
            };

            if (spw.ShowDialog().Value&& spw.Presentation != null)
            {
                Webb.Playbook.Data.Presentation presentation = spw.Presentation;

                presentation.Save(spw.PresentationPath);

                LoadPresentations();
            }
        }
        private void btnOpenPresentation_Click(object sender, RoutedEventArgs e)
        {
            if (lbPresentations.SelectedItem != null)
            {
                Webb.Playbook.Data.Presentation presentation = new Webb.Playbook.Data.Presentation();

                presentation.Load((this.lbPresentations.SelectedItem as FrameworkElement).Tag.ToString());

                Presentation.PresentationWindow pw = new PresentationWindow(presentation);

                pw.ShowDialog();
            }
            else
            {
                MessageBox.Show("Please select a presentation");
            }
        }