uwp Semantic Zoom c# code-behind

SemanticZoom.cs

// This code works with SemanticZoom.xaml gist
// It show you how to bind data to a CollectionViewSource
// in order to use a SemanticView control

// NOTE: Author is a custom model I created in my code
// See the model definition here 
// https://github.com/rootasjey/citations365/blob/master/Citations%20365/Citations%20365/Models/Author.cs
  
private void BindCollectionToView() {
  // 1.You need a data list
  ObservableCollection<Author> collection = new ObservableCollection<Author>();
  // and fill the list with data: collection.Add(new Author() { ... ] );
  
  // 2.You have to group data by a rule
  var groupedAuthors = from author in collection
                       group author by author.Name.First() into firstLetter
                       orderby firstLetter.Key
                       select firstLetter;

  // 3.Link the new grouped data
  this.groupedAuthors.Source = groupedAuthors;
  AuthorsKeys.ItemsSource = this.groupedAuthors.View.CollectionGroups;
}