// http://svc.luckstar.com.tw/CodeHelper/cs/index.html
// 2017-03-22, honda@luckstar.com.tw, Create.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
// add
using System.Collections;

namespace ConsoleBase
{
    public class CArrayList
    {
        ArrayList mList1 = new ArrayList();
        public void Run()
        {
            // Creates and initializes a new ArrayList.
            mList1.Add("Hello");
            mList1.Add("World");
            mList1.Add("!");
            mList1.Add("Remove1");
            mList1.Add(DateTime.Now);
            mList1.Remove("Remove1");
            mList1.RemoveAt(mList1.Count - 1);

            // Displays the properties and values of the ArrayList.
            Console.WriteLine("Basic:");
            Console.WriteLine("mList1:");
            Console.WriteLine(" Count: {0}", mList1.Count);
            Console.WriteLine(" Capacity: {0}", mList1.Capacity);
            Console.Write(" Values:");
            PrintArrayList(mList1);
            PrintEnumerable(mList1);

            PrintDashLine();
            // Creates and initializes a new ArrayList.
            ArrayList list2 = new ArrayList();
            list2.Add("The");
            list2.Add("quick");
            list2.Add("brown");
            list2.Add("fox");
            list2.Add("jumped");
            list2.Add("over");
            list2.Add("the");
            list2.Add("lazy");
            list2.Add("dog");

            // Create a fixed-size wrapper around the ArrayList.
            ArrayList listFixedSize = ArrayList.FixedSize(list2);

            // Display whether the ArrayLists have a fixed size or not.
            Console.WriteLine("list2: {0}.", list2.IsFixedSize ? "has a fixed size" : "does not have a fixed size");
            Console.WriteLine("listFixedSize {0}.", listFixedSize.IsFixedSize ? "has a fixed size" : "does not have a fixed size");
            Console.WriteLine();

            // Display both ArrayLists.
            Console.WriteLine("Initially,");
            Console.Write("Standard  :");
            PrintEnumerable(list2, ' ');
            Console.Write("Fixed size:");
            PrintEnumerable(listFixedSize, ' ');

            // Sort is allowed in the fixed-size ArrayList.
            listFixedSize.Sort();

            // Display both ArrayLists.
            Console.WriteLine("After Sort,");
            Console.Write("Standard  :");
            PrintEnumerable(list2, ' ');
            Console.Write("Fixed size:");
            PrintEnumerable(listFixedSize, ' ');

            // Reverse is allowed in the fixed-size ArrayList.
            listFixedSize.Reverse();

            // Display both ArrayLists.
            Console.WriteLine("After Reverse,");
            Console.Write("Standard  :");
            PrintEnumerable(list2, ' ');
            Console.Write("Fixed size:");
            PrintEnumerable(listFixedSize, ' ');

            // Add an element to the standard ArrayList.
            list2.Add("AddMe");

            // Display both ArrayLists.
            Console.WriteLine("After adding to the standard ArrayList,");
            Console.Write("Standard  :");
            PrintEnumerable(list2, ' ');
            Console.Write("Fixed size:");
            PrintEnumerable(listFixedSize, ' ');
            Console.WriteLine();

            // Adding or inserting elements to the fixed-size ArrayList throws an exception.
            try
            {
                listFixedSize.Add("AddMe2");
            }
            catch (Exception myException)
            {
                Console.WriteLine("Exception: " + myException.ToString());
            }
            try
            {
                listFixedSize.Insert(3, "InsertMe");
            }
            catch (Exception myException)
            {
                Console.WriteLine("Exception: " + myException.ToString());
            }

        }
        private void PrintDashLine()
        {
            Console.WriteLine();
            Console.WriteLine("----------");
        }
        public void PrintArrayList(ArrayList al1)
        {
            Console.WriteLine("PrintEnumerable: ");
            for (int i = 0; i < al1.Count; i++)
                Console.Write(" {0}", al1[i]);
            Console.WriteLine();
        }
        public void PrintEnumerable(IEnumerable IEnumerable1)
        {
            Console.WriteLine("PrintEnumerable: ");
            foreach (Object obj in IEnumerable1)
                Console.Write(" {0}", obj);
            Console.WriteLine();
        }
        public void PrintEnumerable(IEnumerable IEnumerable1, char cSeparator)
        {
            Console.WriteLine("PrintEnumerable: ");
            foreach (Object obj in IEnumerable1)
                Console.Write("{0}{1}", cSeparator, obj);
            Console.WriteLine();
        }
    }
}

result:

Basic:
mList1:
 Count: 3
 Capacity: 8
 Values:PrintEnumerable: 
 Hello World !
PrintEnumerable: 
 Hello World !

----------
list2: does not have a fixed size.
listFixedSize has a fixed size.

Initially,
Standard  :PrintEnumerable: 
 The quick brown fox jumped over the lazy dog
Fixed size:PrintEnumerable: 
 The quick brown fox jumped over the lazy dog
After Sort,
Standard  :PrintEnumerable: 
 brown dog fox jumped lazy over quick the The
Fixed size:PrintEnumerable: 
 brown dog fox jumped lazy over quick the The
After Reverse,
Standard  :PrintEnumerable: 
 The the quick over lazy jumped fox dog brown
Fixed size:PrintEnumerable: 
 The the quick over lazy jumped fox dog brown
After adding to the standard ArrayList,
Standard  :PrintEnumerable: 
 The the quick over lazy jumped fox dog brown AddMe
Fixed size:PrintEnumerable: 
 The the quick over lazy jumped fox dog brown AddMe

Exception: System.NotSupportedException: 集合屬於固定大小。
   於 System.Collections.ArrayList.FixedSizeArrayList.Add(Object obj)
   於 ConsoleBase.CArrayList.Run() 於 D:\CodeHelper\cs\KeyWord\Collection\ConsoleBase\CArrayList.cs: 行 100
Exception: System.NotSupportedException: 集合屬於固定大小。
   於 System.Collections.ArrayList.FixedSizeArrayList.Insert(Int32 index, Object obj)
   於 ConsoleBase.CArrayList.Run() 於 D:\CodeHelper\cs\KeyWord\Collection\ConsoleBase\CArrayList.cs: 行 108