Explain Cascaded Method call in C# with an Example

belongs to collection: C# Basic Programs | Class, Object, Methods

mahmoud2506

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2022-05-09

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Explain Cascaded Method call in C# with an Example

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mahmoud2506

2022-05-09

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Consider the program:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Demo
    {
	
		public Demo FUN1()
		{
            		Console.WriteLine("\nFUN1 CALLED");

			return this;
		}

        public Demo FUN2()
        {
            Console.WriteLine("\nFUN2 CALLED");

            return this;
        }

        public Demo FUN3()
        {
            Console.WriteLine("\nFUN3 CALLED");

            return this;
        }

    }

    class Program
    {
        static void Main(string[] args)
        {
            Demo D;

            D = new Demo();

            D.FUN1().FUN2().FUN3();

        }
    }
}

Output

FUN1 CALLED
FUN2 CALLED
FUN3 CALLED

In this program, class "Demo" contains three methods and each method is returning "this", which contains the reference of object. And by using the reference of object we can call multiple functions in a statement.

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