[SerializableAttribute]
[DebuggerDisplayAttribute("Count = {Count}")]
public class List<T> : IList<T>, ICollection<T>, IEnumerable<T>, IEnumerable, IList, ICollection, IReadOnlyList<T>, IReadOnlyCollection<T>

using System;
using System.Collections.Generic;
// 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 PartName { get; set; }public int PartId { get; set; }public override string ToString(){return "ID: " + PartId + "   Name: " + PartName;}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 PartId;}public bool Equals(Part other){if (other == null) return false;return (this.PartId.Equals(other.PartId));}// Should also override == and != operators.}
public class Example
{public static void Main(){// Create a list of parts.List<Part> parts = new List<Part>();// Add parts to the list.parts.Add(new Part() {PartName="crank arm", PartId=1234});parts.Add(new Part() { PartName = "chain ring", PartId = 1334 });parts.Add(new Part() { PartName = "regular seat", PartId = 1434 });parts.Add(new Part() { PartName = "banana seat", PartId = 1444 });parts.Add(new Part() { PartName = "cassette", PartId = 1534 });parts.Add(new Part() { PartName = "shift lever", PartId = 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 parts){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}",parts.Contains(new Part {PartId=1734, PartName="" }));// Insert a new item at position 2.Console.WriteLine("\nInsert(2, \"1834\")");parts.Insert(2, new Part() { PartName = "brake lever", PartId = 1834 });//Console.WriteLine();foreach (Part aPart in parts){Console.WriteLine(aPart);}Console.WriteLine("\nParts[3]: {0}", parts[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.parts.Remove(new Part(){PartId=1534, PartName="cogs"});Console.WriteLine();foreach (Part aPart in parts){Console.WriteLine(aPart);}Console.WriteLine("\nRemoveAt(3)");// This will remove the part at index 3.parts.RemoveAt(3);Console.WriteLine();foreach (Part aPart in parts){Console.WriteLine(aPart);}/*ID: 1234   Name: crank armID: 1334   Name: chain ringID: 1434   Name: regular seatID: 1444   Name: banana seatID: 1534   Name: cassetteID: 1634   Name: shift leverContains("1734"): FalseInsert(2, "1834")ID: 1234   Name: crank armID: 1334   Name: chain ringID: 1834   Name: brake leverID: 1434   Name: regular seatID: 1444   Name: banana seatID: 1534   Name: cassetteID: 1634   Name: shift leverParts[3]: ID: 1434   Name: regular seatRemove("1534")ID: 1234   Name: crank armID: 1334   Name: chain ringID: 1834   Name: brake leverID: 1434   Name: regular seatID: 1444   Name: banana seatID: 1634   Name: shift leverRemoveAt(3)ID: 1234   Name: crank armID: 1334   Name: chain ringID: 1834   Name: brake leverID: 1444   Name: banana seatID: 1634   Name: shift lever*/}
}

using System;
using System.Collections.Generic;public class Example
{public static void Main(){List<string> dinosaurs = new List<string>();Console.WriteLine("\nCapacity: {0}", dinosaurs.Capacity);dinosaurs.Add("Tyrannosaurus");dinosaurs.Add("Amargasaurus");dinosaurs.Add("Mamenchisaurus");dinosaurs.Add("Deinonychus");dinosaurs.Add("Compsognathus");Console.WriteLine();foreach(string dinosaur in dinosaurs){Console.WriteLine(dinosaur);}Console.WriteLine("\nCapacity: {0}", dinosaurs.Capacity);Console.WriteLine("Count: {0}", dinosaurs.Count);Console.WriteLine("\nContains(\"Deinonychus\"): {0}",dinosaurs.Contains("Deinonychus"));Console.WriteLine("\nInsert(2, \"Compsognathus\")");dinosaurs.Insert(2, "Compsognathus");Console.WriteLine();foreach(string dinosaur in dinosaurs){Console.WriteLine(dinosaur);}// Shows accessing the list using the Item property.Console.WriteLine("\ndinosaurs[3]: {0}", dinosaurs[3]);Console.WriteLine("\nRemove(\"Compsognathus\")");dinosaurs.Remove("Compsognathus");Console.WriteLine();foreach(string dinosaur in dinosaurs){Console.WriteLine(dinosaur);}dinosaurs.TrimExcess();Console.WriteLine("\nTrimExcess()");Console.WriteLine("Capacity: {0}", dinosaurs.Capacity);Console.WriteLine("Count: {0}", dinosaurs.Count);dinosaurs.Clear();Console.WriteLine("\nClear()");Console.WriteLine("Capacity: {0}", dinosaurs.Capacity);Console.WriteLine("Count: {0}", dinosaurs.Count);}
}/* This code example produces the following output:Capacity: 0Tyrannosaurus
Amargasaurus
Mamenchisaurus
Deinonychus
CompsognathusCapacity: 8
Count: 5Contains("Deinonychus"): TrueInsert(2, "Compsognathus")Tyrannosaurus
Amargasaurus
Compsognathus
Mamenchisaurus
Deinonychus
Compsognathusdinosaurs[3]: MamenchisaurusRemove("Compsognathus")Tyrannosaurus
Amargasaurus
Mamenchisaurus
Deinonychus
CompsognathusTrimExcess()
Capacity: 5
Count: 5Clear()
Capacity: 5
Count: 0*/