This is a C# tutorial that will be based on how to declare a structure function. We all know that a structure is similar to a class, but is a value type, not a reference type.

To declare a struct in C#, have this syntax:

1. struct
   
   name :
   
   interfaces {
   
2. // member declarations
   
3. }
   

A structure or a struct cannot be used as a base for other structures or classes, cannot inherit other structures or classes, can also define constructors, but not destructors, and structure members can be methods, fields, indexers, properties, operator methods, and events but cannot be specified as abstract, virtual, or protected.

Now, let's start this tutorial!

1. Let's start with creating a Console Application in C# for this tutorial by following the following steps in Microsoft Visual Studio: Go to File, click New Project, and choose Console Application and name your project as structure.

2. Now, to declare a structure put this code outside of your Main.

1. struct
   
   Fraction
   
2. {
   
3. public
   
   int
   
   numerator;
   
4. public
   
   int
   
   denominator;
   
5. }
   

We declare a structure here with the name Fraction and has the struct keyword. Inside of it are the declaration of the variables numerator and denominator as an integer and has the public modifier to be accessible inside or outside of the program.

3. Now, put this code for your main and call the structure you have coded.

1. static
   
   void
   
   Main(
   
   string
   
   [
   
   ]
   
   args)
   
2. {
   
3. double
   
   quotient;
   
4. Fraction f;
   
5. f.
   
   numerator
   
   =
   
   15
   
   ;
   
6. f.
   
   denominator
   
   =
   
   3
   
   ;
   
7. quotient =
   
   f.
   
   numerator
   
   /
   
   f.
   
   denominator
   
   ;
   
8. Console.
   
   WriteLine
   
   (
   
   "The quotient is:"
   
   +
   
   quotient)
   
   ;
   
9. }
   

To call the structure, we called the structure named Fraction that we have created a while ago. We also created and f variable on it to pass the statements inside the structure function. Next, the f variable has a dot and called the numerator and denominator inside the structure. The dot indicates to call all the variables declared inside the structure and we put a value 15 in the numerator and 3 in the denominator. Then we have created a quotient variable as double and has the operation of division. Then we display the output using the Console.Writeline syntax.

Press Ctrl+F5 to run the program.

Output:


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