The this keyword in C# refers to the current instance of a class. It can be used to refer to current class instance variables when parameter and instance variable names are the same, to pass the current object as a parameter to another method, and to declare indexers. The example shows using the this keyword to set instance variable values within a constructor when the constructor parameters have the same name as the instance variables.

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2. C# Tutorial
Part 17: This
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3. • In c# programming, this is a keyword that refers
to the current instance of the class. There can be 3
main usage of this keyword in C#.
• It can be used to refer current class instance
variable. It is used if field names (instance
variables) and parameter names are same, that is
why both can be distinguish easily.
• It can be used to pass current object as a
parameter to another method.
• It can be used to declare indexers.

4. • C# this example:
• using System;
• public class Employee
• { public int id;
• public String name;
• public float salary;
• public Employee(int id, String name,float salary)
• { this.id = id;
• this.name = name;
• this.salary = salary; }
• public void display()
• { Console.WriteLine(id + " " + name+" "+salary); } }
• class TestEmployee{
• public static void Main(string[] args)
• { Employee e1 = new Employee(101, "Sonoo", 890000f);
• Employee e2 = new Employee(102, "Mahesh", 490000f);
• e1.display();
• e2.display();
• } }

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