static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****\n");
#region Display defining assembly extension
// The int has assumed a new identity!
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// So does this DataSet!
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// And this MediaPlayer!
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// Remember! Extension methods can be called as normal static
// methods.
MyExtensions.DisplayDefiningAssembly(false);
#endregion
#region New integer functionality
// Use new integer functionality.
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
myInt.Foo();
myInt.Foo("Ints that Foo? Who would have thought it!");
#endregion
UseCar();
Console.ReadLine();
}
static void Main(string[] args)
{
int myint = 12345678;
myint.DisplayDefiningAssembly(); //notice the method can be used directly , this is the case with all the static methods.
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
MyExtensions.DisplayDefiningAssembly(123);
int a = MyExtensions.ReverseDigits(123);
Console.WriteLine(a);
Console.ReadKey();
}
static void Main(string[] args)
{
int myint = 12345678;
myint.DisplayDefiningAssembly(); //notice the method can be used directly , this is the case with all the static methods.
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
MyExtensions.DisplayDefiningAssembly(123);
int a = MyExtensions.ReverseDigits(123);
Console.WriteLine(a);
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("Funn with Extension Methods\n");
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits pf myInt: {0}", myInt.ReverseDigits());
}
public static void Main(string[] args)
{
int myInt = 1234567;
myInt.DisplayDefiningAssembly();
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
System.Media.SoundPlayer player = new System.Media.SoundPlayer();
player.DisplayDefiningAssembly();
int rev = myInt.ReverseDigits();
Console.WriteLine(rev);
Console.ReadKey();
}
static void InvokingExtension()
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("=> Invoking Extension Methods");
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine($"Reversed digits of {myInt} is {myInt.ReverseDigits()}");
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****\n");
// The int has assumed a new identity!
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// So has the DataSet!
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// And the SoundPlayer!
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****\n");
// The int has assumed a new identity!
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// So has the DataSet!
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// And the SoundPlayer!
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// Use new integer functionality.
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("**** Fun with Extension Method****");
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine($"Value of myInt: {myInt}");
Console.WriteLine($"Reversed digits of myInt: {myInt.ReverseDigit()}");
Console.Read();
}
public static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****\n");
int myInt = 123456;
//MyExtensions.DisplayDefiningAssembly(myInt);
Console.WriteLine(myInt.ReverseDigits().ToString());
myInt.DisplayDefiningAssembly();
Console.ReadKey();
// To же и в DataSet!
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
Console.ReadKey();
//Ив SoundPlayer!
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.ReadKey();
}
private static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****\n");
const int myInt = 12345678;
myInt.DisplayDefiningAssembly();
var d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
var sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
public static void Main(string[] args)
{
Console.WriteLine("Fun with extensions");
// the int has new superpowers
int myI = 123456789;
myI.DisplayDefiningAssembly();
Console.WriteLine("Int only powers: I = {0}; Reversed = {1}", myI.ReverseDigits(), myI.ToString());
// new DataSet powers...
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// and SoubdPlayer...
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.ReadLine();
}
static void FuckWithExtensionMethods()
{
System.Console.WriteLine("=> fun with extension methods:");
int myInt = 1234567890;
myInt.DisplayDefiningAssembly();
// so has the DataSet
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// and the SoundPlayer
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// use new integer functinoality
System.Console.WriteLine("value of myInt: {0}", myInt);
System.Console.WriteLine("reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with extension methods *****\n");
// This int has assumed a new identity!
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// So has the data set!
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// And the soundplayer!
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// Use new integer functionality.
Console.WriteLine("Value of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Extension Methods *****");
// 本整形表示一个新的身份标识
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// 下面是DataSet
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// 下面是SoundPlayer
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// 使用整形的新功能
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.ReadLine();
}
/// <summary>
/// Invoking Extension Method
/// </summary>
private void InvokingExtensionMethod()
{
Console.WriteLine("=> Invoking Extension Method: ");
// The int has assumed a new identity
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
// So has the DataSet
System.Data.DataSet d = new System.Data.DataSet();
d.DisplayDefiningAssembly();
// And the SoundPlayer
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
// Use new integer functionality
Console.WriteLine("Value of mInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.WriteLine();
}
static void Main(string[] args)
{
Point ptOne = new Point(100, 100);
Point ptTwo = new Point(40, 40);
Console.WriteLine("ptOne = {0}", ptOne);
Console.WriteLine("ptTwo = {0}", ptTwo);
Console.WriteLine();
Console.WriteLine("ptOne + ptTwo: {0} ", ptOne + ptTwo);
Console.WriteLine("ptOne - ptTwo: {0} ", ptOne - ptTwo);
Console.WriteLine("ptOne + ptTwo: {0} ", ptOne + ptTwo);
// Subtract the points to make a smaller point?
Console.WriteLine("ptOne - ptTwo: {0} ", ptOne - ptTwo);
Console.WriteLine();
// Prints [110, 110]
Point biggerPoint = ptOne + 10;
Console.WriteLine("ptOne + 10 = {0}", biggerPoint);
// Prints [120, 120]
Console.WriteLine("10 + biggerPoint = {0}", 10 + biggerPoint);
Console.WriteLine();
// Freebie +=
Point ptThree = new Point(90, 5);
Console.WriteLine("ptThree = {0}", ptThree);
Console.WriteLine("ptThree += ptTwo: {0}", ptThree += ptTwo);
Console.WriteLine();
// Freebie -=
Point ptFour = new Point(0, 500);
Console.WriteLine("ptFour = {0}", ptFour);
Console.WriteLine("ptFour -= ptThree: {0}", ptFour -= ptThree);
Console.WriteLine();
// Applying the ++ and -- unary operators to a Point.
Point ptFive = new Point(1, 1);
Console.WriteLine("++ptFive = {0}", ++ptFive); // [2, 2]
Console.WriteLine("--ptFive = {0}", --ptFive); // [1, 1]
Console.WriteLine();
// Apply same operators as postincrement/decrement.
Point ptSix = new Point(20, 20);
Console.WriteLine("ptSix++ = {0}", ptSix++); // [20, 20]
Console.WriteLine("ptSix-- = {0}", ptSix--); // [21, 21]
Console.WriteLine();
Console.WriteLine("ptOne == ptTwo : {0}", ptOne == ptTwo);
Console.WriteLine("ptOne != ptTwo : {0}", ptOne != ptTwo);
Console.WriteLine();
Console.WriteLine("ptOne < ptTwo : {0}", ptOne < ptTwo);
Console.WriteLine("ptOne > ptTwo : {0}", ptOne > ptTwo);
Console.WriteLine("---------------------------------------------------");
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
Console.WriteLine("---------------------------------------------------");
Rectangle rect = new Rectangle(10, 5);
DrawSquare((Square)rect);
Console.WriteLine("---------------------------------------------------");
int myInt = 12345678;
myInt.DisplayDefiningAssembly();
DataSet d = new DataSet();
d.DisplayDefiningAssembly();
System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
sp.DisplayDefiningAssembly();
Console.WriteLine("Value of myInt: {0}", myInt);
Console.WriteLine("Reversed digits of myInt: {0}", myInt.ReverseDigits());
Console.WriteLine("---------------------------------------------------");
var myCar = new { Color = "Bright Pink", Make = "Saab", CurrentSpeed = 55 };
Console.WriteLine("My car is a {0} {1}.", myCar.Color, myCar.Make);
BuildAnonType("BMW", "Black", 90);
Console.WriteLine("---------------------------------------------------");
ReflectOverAnonymousType(myCar);
Console.ReadLine();
}
