c# parallel foreach loop finding index

Question

I am trying to read all lines in a text file and planning to display each line info. How can I find the index for each item inside loop?

string[] lines = Fil         


        

Answer 1

There is another overload for Parallel.ForEach that gives you the index.

Parallel.ForEach(list_lines, (line, state, index) =>
    {
        Console.WriteLine(index);
        Console.WriteLine(list_lines[index]);
    });