public BookNodeViewModel(BookModel book, LibraryNodeViewModel nodeLibrary)
: base(nodeLibrary, book.Name, book, false)
{
Book = book;
}
public LibraryNodeViewModel(LibraryModel library, LibraryNodeViewModel nodeLibrary)
: base(nodeLibrary, library.PathName, library, true)
{
Library = library;
IsBold = true;
}