Use Index when querying array with LINQ in CSharp

Description

The following code shows how to use Index when querying array with LINQ.

Example


using System;//from  w w w .  ja v  a 2s .c  o  m
using System.Collections.Generic;
using System.Linq;
using System.Drawing;

public class Book {
    public String Title { get; set; }

    public override String ToString() {
        return Title;
    }
}

class Program {


    static public Book[] Books =
    {
      new Book {Title="F"},
      new Book {Title="B"}
    };

    static void Main(string[] args) {
        var books =
          Books
            .Select((book, index) => new { index, book.Title })
            .OrderBy(book => book.Title);
    }
}




















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