using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Array{
class Program {
static void Main(string[] args) {
int[] array = new int[] {
1, 2, 3 }
;
int[] des = addArray(array, 4, 4);
foreach (int item in des) {
Console.WriteLine(item );
}
Console.ReadLine();
}
static int[] addArray(int[] bornArray, int index, int value) {
ArrayList list = new ArrayList(bornArray );
if (index <0) {
index =0 ;
}
if (index >bornArray .Length -1) {
index = bornArray.Length;
}
list.Insert(index ,value );
int[] des = new int[list.Count ];
for (int i=0;
i<list.Count;
i++) {
des[i] = (int)list[i];
}
return des;
}
}
}