??? ?? ???? ??? ?? ?? ???? C# ?? ????? ???. ?? ???? ?? ???, ??? ?? ?????? ????? ?? ?? ????? ??? ?? ???? ??? ? ??? ??? ?? ???? ??? ? ????. ??? ?? ??? ?? ???, .NET ?????? ??? ?? ?? ??? ?? ?????? ???? ??? ?? ???? ??? ??????? ???? ???? ?? ??? ?? ???? ? ??? ?? ?? ??????. ?? ???? ??? ??? ?????.

C# ?? ??? ??

??????, ???, ?? ??? ?????.

??:

namespace namespace_name
{
public static class class_name
{
public static bool extension_method_name(parameters_list)
{
//Blocks of code
}
}
}

??? ??????_??? ?? ???? ??? ??????? ?????.

Class_name? ?? ???? ??? ?? ???? ?????.

Extension_method_name? ?? ???? ?????.

???? ??? ? ?? ????? ???? ??? ???? ??? ???? ???? ? ??? ?? ???? ????.

C# ?? ??? ??

• ?? ???? ??? ???? ??? ?? ????? ?? ???? ??? ????.
• ?? ???? ??? ??????? ???? ?? ??? ?? ?? ???? ?????. ?? ???? ??? ??????? ???? ?? ???? ?????? ???? ??? ? ????.
• ?? ???? ? ?? ????? this ??? ???? ?? ??? ???? ??? ?? ??? ??? ??? ?? ???? ??? ?????.
• ?? ???? .NET ????? ???, ??? ?? ???, ??? ?? ?????, ?? ???? ??? ? ????.

C# ?? ??? ?? ?

??? C# ?? ???? ????

?? #1

? ??? ???? ????? Extension ???? ???? C# ????:

???:

using System;
using System.Text;
//a namespace called check is defined
namespace check
{
// a static class called extensionclassmethod is defined
public static class extensionmethodclass
{
//extension method to compare two integers is defined
public static bool extensionmethodname(this intstr, intval)
{
return str>val;
}
}
//a class called check1 is defined
class check1
{
//main method is called
static void Main(string[] args)
{
intstri = 565;
//extension method defined in another static class is called here
bool z = stri.myExtensionMethod(200);
Console.WriteLine("The result of the comparison is: {0}", z);
Console.ReadLine();
}
}
}

??:

??: ? ?????? check?? ??????? ???? ????. ?? ?? ? ??? ???? ?? ???? ??? ?? ??? ????? ?? ???? ?????. ?? ?? ?? ???? ???? ??? ??? ??????? ????? ?? ???? ??? ? ?? check1??? ? ?? ???? ?????. ?? ???? ? ??? ?? ??? ?????. ???? ??? ?? ???? ????.

?? #2

??? ??? ???? ????? Extension ???? ???? C# ????:

???:

using System;
using System.Text;
//a namespace called check is defined
namespace check
{
// a static class called extensionclassmethod is defined
public static class extensionmethodclass
{
//extension method to find out the length of a string is defined
public static intextensionmethodname(this string str)
{
return str.Length;
}
}
//a class called check1 is defined
class check1
{
//main method is called
static void Main(string[] args)
{
string stri = "ShobhaShivakumar";
//extension method defined in another static class is called here
int z = stri.extensionmethodname();
Console.WriteLine("The length of the string obtained by using extension method is: {0}", z);
Console.ReadLine();
}
}
}

??:

??: ? ?????? check?? ??????? ???? ????. ?? ?? ?? ??? ????? ?? ???? ????, ? ?? ????? ??? ???? ??? ???? ?? ???? ?????. ?? ?? ?? ???? ???? ??? ??? ??????? ????? ?? ???? ??? ? ?? check1??? ? ?? ???? ?????. ?? ???? ?? ??? ??? ???? ??? ??? ?????. ???? ??? ?? ???? ????.

?? #3

??:

using System;
using System.Text;
//a namespace called check is defined
namespace check
{
// a static class called extensionclassmethod is defined
public static class extensionmethodclass
{
//extension method to add two numbers is defined
public static intextensionmethodname(this intstr, intval)
{
return str+val;
}
}
//a class called check1 is defined
class check1
{
//main method is called
static void Main(string[] args)
{
intstri = 100;
//extension method defined in another static class is called here
int z = stri.extensionmethodname(200);
Console.WriteLine("The result of addition of two numbers obtained by using extension method is: {0}", z);
Console.ReadLine();
}
}
}

??:

??: ? ?????? check?? ??????? ???? ????. ?? ?? ?? ??? ????? ?? ???? ????, ??? ?? ??? ??? ? ?? ??? ???? ?? ???? ?????. ?? ?? ?? ???? ???? ??? ??? ??????? ????? ?? ???? ??? ? ?? check1??? ? ?? ???? ?????. ?? ???? ? ??? ?? ? ??? ?????.

??

? ??????? ??, ??, ????? ?? ? ?? ??? ?? C# ?? ???? ??? ?????.

????

C# ?? ???? ?? ?????. ???? C# ?? ??? ??? ?? ?? ? ?? ??? ?? ???? ??? ?? ?????. ? ??? ????? ?? ?? ??? ?????. –

1. C#? ?? ???
2. Java? ?? ???
3. C#? TextWriter
4. C#? ?? ???

? ??? C# ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!