// 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;

namespace ConsoleBase
{
    public class CList
    {
        List<string> mList1 = new List<string>();
        public void Run()
        {

            Console.WriteLine("basic: ");
            Console.WriteLine("mList1: ");
            Console.WriteLine("\nCapacity: {0}", mList1.Capacity);

            mList1.Add("s1");
            mList1.Add("s2");
            mList1.Add("s3");
            mList1.Add("s4");
            mList1.Add("s5");
            mList1.Add("Remove1");
            mList1.Add("Remove2");
            mList1.Remove("Remove1");
            mList1.RemoveAt(mList1.Count - 1);
            Console.WriteLine();
            foreach (string dinosaur in mList1)
            {
                Console.WriteLine(dinosaur);
            }

            Console.WriteLine("\nCapacity: {0}", mList1.Capacity);
            Console.WriteLine("Count: {0}", mList1.Count);

            Console.WriteLine("\nContains(\"s4\"): {0}",
                mList1.Contains("s4"));

            Console.WriteLine("\nInsert(2, \"insert\")");
            mList1.Insert(2, "insert");

            Console.WriteLine();
            foreach (string dinosaur in mList1)
            {
                Console.WriteLine(dinosaur);
            }

            // Shows accessing the list using the Item property.
            Console.WriteLine("\nmList1[3]: {0}", mList1[3]);

            Console.WriteLine("\nRemove(\"insert\")");
            mList1.Remove("insert");

            Console.WriteLine();
            foreach (string dinosaur in mList1)
            {
                Console.WriteLine(dinosaur);
            }

            mList1.TrimExcess();
            Console.WriteLine("\nTrimExcess()");
            Console.WriteLine("Capacity: {0}", mList1.Capacity);
            Console.WriteLine("Count: {0}", mList1.Count);

            mList1.Clear();
            Console.WriteLine("\nClear()");
            Console.WriteLine("Capacity: {0}", mList1.Capacity);
            Console.WriteLine("Count: {0}", mList1.Count);

            PrintDashLine();
            Console.WriteLine("list2: ");
            // Create a list of parts.
            List<Part> list2 = new List<Part>();

            // Add parts to the list.
            list2.Add(new Part() { msPartName = "crank arm", miPartID = 1234 });
            list2.Add(new Part() { msPartName = "chain ring", miPartID = 1334 });
            list2.Add(new Part() { msPartName = "regular seat", miPartID = 1434 });
            list2.Add(new Part() { msPartName = "banana seat", miPartID = 1444 });
            list2.Add(new Part() { msPartName = "cassette", miPartID = 1534 });
            list2.Add(new Part() { msPartName = "shift lever", miPartID = 1634 });

            // Write out the parts in the list. This will call the overridden ToString method
            // in the Part class.
            Console.WriteLine();
            foreach (Part aPart in list2)
            {
                Console.WriteLine(aPart);
            }


            // Check the list for part #1734. This calls the IEquitable.Equals method
            // of the Part class, which checks the PartId for equality.
            Console.WriteLine("\nContains(\"1734\"): {0}",
            list2.Contains(new Part { miPartID = 1734, msPartName = "" }));

            // Insert a new item at position 2.
            Console.WriteLine("\nInsert(2, \"1834\")");
            list2.Insert(2, new Part() { msPartName = "brake lever", miPartID = 1834 });


            //Console.WriteLine();
            foreach (Part aPart in list2)
            {
                Console.WriteLine(aPart);
            }

            Console.WriteLine("\nParts[3]: {0}", list2[3]);

            Console.WriteLine("\nRemove(\"1534\")");

            // This will remove part 1534 even though the PartName is different,
            // because the Equals method only checks PartId for equality.
            list2.Remove(new Part() { miPartID = 1534, msPartName = "cogs" });

            Console.WriteLine();
            foreach (Part aPart in list2)
            {
                Console.WriteLine(aPart);
            }
            Console.WriteLine("\nRemoveAt(3)");
            // This will remove the part at index 3.
            list2.RemoveAt(3);

            Console.WriteLine();
            foreach (Part aPart in list2)
            {
                Console.WriteLine(aPart);
            }
        }
        private void PrintDashLine()
        {
            Console.WriteLine();
            Console.WriteLine("----------");
        }

    }

    // Simple business object. A PartId is used to identify the type of part 
    // but the part name can change. 
    public class Part : IEquatable<Part>
    {
        public string msPartName { get; set; }

        public int miPartID { get; set; }

        public override string ToString()
        {
            return "ID: " + miPartID + "   Name: " + msPartName;
        }
        public override bool Equals(object obj)
        {
            if (obj == null) return false;
            Part objAsPart = obj as Part;
            if (objAsPart == null) return false;
            else return Equals(objAsPart);
        }
        public override int GetHashCode()
        {
            return miPartID;
        }
        public bool Equals(Part other)
        {
            if (other == null) return false;
            return (this.miPartID.Equals(other.miPartID));
        }
        // Should also override == and != operators.
    }
}

result:

basic: 
mList1: 

Capacity: 0

s1
s2
s3
s4
s5

Capacity: 8
Count: 5

Contains("s4"): True

Insert(2, "insert")

s1
s2
insert
s3
s4
s5

mList1[3]: s3

Remove("insert")

s1
s2
s3
s4
s5

TrimExcess()
Capacity: 5
Count: 5

Clear()
Capacity: 5
Count: 0

----------
list2: 

ID: 1234   Name: crank arm
ID: 1334   Name: chain ring
ID: 1434   Name: regular seat
ID: 1444   Name: banana seat
ID: 1534   Name: cassette
ID: 1634   Name: shift lever

Contains("1734"): False

Insert(2, "1834")
ID: 1234   Name: crank arm
ID: 1334   Name: chain ring
ID: 1834   Name: brake lever
ID: 1434   Name: regular seat
ID: 1444   Name: banana seat
ID: 1534   Name: cassette
ID: 1634   Name: shift lever

Parts[3]: ID: 1434   Name: regular seat

Remove("1534")

ID: 1234   Name: crank arm
ID: 1334   Name: chain ring
ID: 1834   Name: brake lever
ID: 1434   Name: regular seat
ID: 1444   Name: banana seat
ID: 1634   Name: shift lever

RemoveAt(3)

ID: 1234   Name: crank arm
ID: 1334   Name: chain ring
ID: 1834   Name: brake lever
ID: 1444   Name: banana seat
ID: 1634   Name: shift lever