private void buttonBackward_Click(object sender, RoutedEventArgs e) { ShareableContent selectedContent = (ShareableContent)listBoxContentBin.SelectedItem; if (selectedContent != null) { if (selectedContent.Type == ShareableContentType.PowerPoint) { if (selectedContent.State == ShareableContentState.Active) { // Only call this method if its PPT content and its currently being presented. PowerPointContent pptC = (PowerPointContent)selectedContent; pptC.GoBackward(); } else { Log("Present this PowerPoint before calling this action"); } } else { Log("Backward action is only supported for PowerPoint Content. Present PowerPoint content and then call this action."); } } else { Log("Select a content from Content Bin first"); } }
private void buttonBackward_Click(object sender, RoutedEventArgs e) { if (pptContent != null) { if (pptContent.State == ShareableContentState.Active) { PowerPointContent pptC = (PowerPointContent)pptContent; pptC.GoBackward(); } } }