C# ArrayList Insert
Description
ArrayList Insert inserts an element into the ArrayList
at the specified index.
Syntax
ArrayList.Insert has the following syntax.
public virtual void Insert(
int index,
Object value
)
Parameters
ArrayList.Insert has the following parameters.
index- The zero-based index at which value should be inserted.value- The Object to insert. The value can be null.
Returns
ArrayList.Insert method returns
Example
The following code example shows how to insert elements into the ArrayList.
using System;//w w w . ja v a 2 s. co m
using System.Collections;
class MainClass {
public static void Main() {
ArrayList al = new ArrayList(5);
// Add three elements to the end of the array
al.Add(10);
al.Add(9);
al.Add(8);
// Now, insert three elements in the front of the array
al.Insert(0, 1);
al.Insert(0, 2);
al.Insert(0, 3);
// Finally, insert into some random spots
al.Insert(2, 4);
al.Insert(4, 5);
al.Insert(6, 6);
// Enumerate the array
foreach (int i in al) {
Console.WriteLine("Entry {0}", i);
}
}
}
The code above generates the following result.
