how to read array elements in wpf(input from a textbox to an array)

static void Main(string[] args)
      {
        int i;
        int[] arr = new int[4]; // 4 size array

        
        for (i = 0; i<4; i++)
         {
           Console.Write("\nEnter your number:\t");
           //Storing value in an array
           arr[i] = Convert.ToInt32(Console.ReadLine());
         }

        Console.WriteLine("\n\n");
        //Printing the value on console
        for (i = 0; i<4; i++)
         {
           Console.WriteLine("you entered {0}", arr[i]);
         }
        Console.ReadLine();
      }