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==Copy a class==

<source lang="csharp">
/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Copy a class.

using System;

// Define a structure.
class MyClass {
public int x;
}

// Now show a class object assignment.
public class ClassAssignment {
public static void Main() {
MyClass a = new MyClass();
MyClass b = new MyClass();

a.x = 10;
b.x = 20;

Console.WriteLine("a.x {0}, b.x {1}", a.x, b.x);

a = b;
b.x = 30;

Console.WriteLine("a.x {0}, b.x {1}", a.x, b.x);
}
}

</source>

==Demonstrate ICloneable==

<source lang="csharp">
/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate ICloneable.

using System;

class X {
public int a;

public X(int x) { a = x; }
}

class Test : ICloneable {
public X o;
public int b;

public Test(int x, int y) {
o = new X(x);
b = y;
}

public void show(string name) {
Console.Write(name + " values are ");
Console.WriteLine("o.a: {0}, b: {1}", o.a, b);
}

// Make a deep copy of the invoking object.
public object Clone() {
Test temp = new Test(o.a, b);
return temp;
}

}

public class CloneDemo {
public static void Main() {
Test ob1 = new Test(10, 20);

ob1.show("ob1");

Console.WriteLine("Make ob2 a clone of ob1.");
Test ob2 = (Test) ob1.Clone();

ob2.show("ob2");

Console.WriteLine("Changing ob1.o.a to 99 and ob1.b to 88.");
ob1.o.a = 99;
ob1.b = 88;

ob1.show("ob1");
ob2.show("ob2");
}
}

</source>

==Implements ICloneable==

<source lang="csharp">
using System;
using System.Text;
using System.Collections.Generic;
public class Employee : ICloneable {
public string Name;
public string Title;
public int Age;
public Employee(string name, string title, int age) {
Name = name;
Title = title;
Age = age;
}
public object Clone() {
return MemberwiseClone();
}
public override string ToString() {
return string.Format("{0} ({1}) - Age {2}", Name, Title, Age);
}
}
public class Team : ICloneable {
public List<Employee> TeamMembers = new List<Employee>();
public Team() {
}
private Team(List<Employee> members) {
foreach (Employee e in members) {
TeamMembers.Add((Employee)e.Clone());
}
}
public void AddMember(Employee member) {
TeamMembers.Add(member);
}
public override string ToString() {
StringBuilder str = new StringBuilder();
foreach (Employee e in TeamMembers) {
str.AppendFormat(" {0}\r\n", e);
}
return str.ToString();
}
public object Clone() {
return new Team(this.TeamMembers);
}
}
public class MainClass {
public static void Main() {
Team team = new Team();
team.AddMember(new Employee("F", "Developer", 34));
team.AddMember(new Employee("K", "Tester", 78));
team.AddMember(new Employee("C", "Support", 18));
Team clone = (Team)team.Clone();
Console.WriteLine(team);
Console.WriteLine(clone);
Console.WriteLine(Environment.NewLine);
team.TeamMembers[0].Name = "NewName";
team.TeamMembers[0].Title = "Manager";
team.TeamMembers[0].Age = 44;
Console.WriteLine(team);
Console.WriteLine(clone);
}
}
</source>

==System.Array and the Collection Classes:ICloneable 1==

<source lang="csharp">
using System;
class ContainedValue
{
public ContainedValue(int count)
{
this.count = count;
}
public int count;
}
class MyObject: ICloneable
{
public MyObject(int count)
{
this.contained = new ContainedValue(count);
}
public object Clone()
{
Console.WriteLine("Clone");
return(new MyObject(this.contained.count));
}
public ContainedValue contained;
}
public class SystemArrayandtheCollectionClassesICloneable
{
public static void Main()
{
MyObject my = new MyObject(33);
MyObject myClone = (MyObject) my.Clone();
Console.WriteLine( "Values: {0} {1}",
my.contained.count,
myClone.contained.count);
myClone.contained.count = 15;
Console.WriteLine( "Values: {0} {1}",
my.contained.count,
myClone.contained.count);
}
}

</source>

==System.Array and the Collection Classes:ICloneable 2==

<source lang="csharp">
using System;
class ContainedValue
{
public ContainedValue(int count)
{
this.count = count;
}
public int count;
}
class MyObject
{
public MyObject(int count)
{
this.contained = new ContainedValue(count);
}
public MyObject Clone()
{
return((MyObject) MemberwiseClone());
}
public ContainedValue contained;
}
public class SystemArrayandtheCollectionClassesICloneable2
{
public static void Main()
{
MyObject my = new MyObject(33);
MyObject myClone = my.Clone();
Console.WriteLine("Values: {0} {1}",my.contained.count, myClone.contained.count);
myClone.contained.count = 15;
Console.WriteLine("Values: {0} {1}", my.contained.count, myClone.contained.count);
}
}

</source>

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в 15:31, 26 мая 2010

Admin: 1 версия