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

Code Example 1

var Freds = new [] { "Fred", "Freddy" };
Freds = Freds.Concat(new [] { "Frederick" }).ToArray();

Code Example 2

// To add a value to a C# array, use 'Add()'
List<string> ls = new List<string>();
ls.Add("Hello");

Code Example 3

int[] arrayOfNumbers = new int[400];
for (int index = 0; runs < 400; runs++)
{
  	// Using array[index], you can modify the value at that index
    arrayOfNumbers[index] = value;
}

Code Example 4

List<int> add_list= new List<int>();
for (int i = 0; i < 400; i++)
{
   add_list.Add(value);
}

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