C# | How to insert an element in an Array?

// C# program to insert an 
// element in an array
using System;

public class GFG {

    // Main Method
    static public void Main()
    {

        int n = 10;
        int[] arr = new int[n];
        int i;

        // initial array of size 10
        for (i = 0; i < n; i++)
            arr[i] = i + 1;

        // print the original array
        for (i = 0; i < n; i++)
            Console.Write(arr[i] + " ");
        Console.WriteLine();

        // element to be inserted
        int x = 50;

        // position at which element 
        // is to be inserted
        int pos = 5;

        // create a new array of size n+1
        int[] newarr = new int[n + 1];

        // insert the elements from the 
        // old array into the new array
        // insert all elements till pos
        // then insert x at pos
        // then insert rest of the elements
        for (i = 0; i < n + 1; i++) {
            if (i < pos - 1)
                newarr[i] = arr[i];
            else if (i == pos - 1)
                newarr[i] = x;
            else
                newarr[i] = arr[i - 1];
        }

        // print the updated array
        for (i = 0; i < n + 1; i++)
            Console.Write(newarr[i] + " ");
        Console.WriteLine();
    }
}