Check out example codes for "array copy c#". It will help you in understanding the concepts better.

Code Example 1

unsortedArray.CopyTo(unsortedArray2 , 0);

Code Example 2

var source = new[] { "Ally", "Bishop", "Billy" };
var target = new string[4];

source.CopyTo(target, 1);

foreach (var item in target)
{
  Console.WriteLine(item);
}

// output:

// Ally
// Bishop
// Billy

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