class parameters by Ref

Question

I need direction on HOW TO create class in C# that accept parameters by reference, I am a bit confused with tutorial https://www.tutorialspoint.com/csharp/csharp_reference_parameters Back in time Visual Basic I used to create class/functions that accept parameters by Value and by Reference. ByVal parameter needs to be passed with some value ByRef parameter needs may be empty or has value //- Let's assume this my function public string MyObject( int pParamValue1, ref string pParamValue2) { string ResultValue = "Your Result value is" ; ResultValue += pParamValue1.ToString(); if (pParamValue2 != null ) { ResultValue += " By Reference: " + pParamValue; } return ResultValue; } //- Using the function passing the parameter by value string GetResult = MyObject(20); //- Using the function passing the parameter by value and parameter by Ref. string GetResult = MyObject(20, "Hello World" ); Am I in the right path? Thanks

Madan Shekar · Answer

using System; namespace Tutlane { class Program { static void Main(string[] args) { int x = 10; Console.WriteLine( "Variable Value Before Calling the Method: {0}" , x); Multiplication(ref x); Console.WriteLine( "Variable Value After Calling the Method: {0}" , x); Console.WriteLine( "Press Enter Key to Exit.." ); Console.ReadLine(); } public static void Multiplication(ref int a) { a *= a; Console.WriteLine( "Variable Value Inside the Method: {0}" , a); } } } Please go through above example.

Jose Saiz · Answer

Thank you Madan for your reply, I understand the concept, but what I really trying to accomplish is the necessity of passing the parameter by reference to the function or class. In order word How would the function/class behave if the parameter by reference is not passed? Thanks Again