How do you get the index of the current iteration of a foreach loop?

Question

Is there some rare language construct I haven\'t encountered (like the few I\'ve learned recently, some on Stack Overflow) in C# to get a value representing the current iter

Answer 1

Using @FlySwat's answer, I came up with this solution:

//var list = new List { 1, 2, 3, 4, 5, 6 }; // Your sample collection

var listEnumerator = list.GetEnumerator(); // Get enumerator

for (var i = 0; listEnumerator.MoveNext() == true; i++)
{
  int currentItem = listEnumerator.Current; // Get current item.
  //Console.WriteLine("At index {0}, item is {1}", i, currentItem); // Do as you wish with i and  currentItem
}

You get the enumerator using GetEnumerator and then you loop using a for loop. However, the trick is to make the loop's condition listEnumerator.MoveNext() == true.

Since the MoveNext method of an enumerator returns true if there is a next element and it can be accessed, making that the loop condition makes the loop stop when we run out of elements to iterate over.