C# | this Keyword

this keyword is used to refer to the current instance of the class. It is used to access members from the constructors, instance methods, and instance accessors. this keyword is also used to track the instance which is invoked to perform some calculation or further processing related to that instance. Following are the different ways to use ‘this’ keyword in C# :
Program 1: Using ‘this’ keyword to refer current class instance members
 

Geeksforgeeks

Program 2 : Using this() to invoke the constructor in same class
 

Output:

Parameter Constructor Called
Non-Parameter Constructor Called

Program 3: Using ‘this’ keyword to invoke current class method 
 

Inside show function
Inside display function

Program 4: Using ‘this’ keyword as method parameter 
 

a = 10 b = 20

Program 5: Using this keyword to declare an indexer