C# Method or Function call by value

DevSniper
Published : 18 March 2024

119 Views

it pass a copy of original value in the method rather than reference

Any changes in this type of parameter will not reflect on parent or caller method variables.

Passing a Value Type parameter to a method call by value

using System;

class FunClass
{
    public void fun(int num)
    {
        Console.WriteLine($"\tBefore modifing num : {num}");
        num+=100;
        Console.WriteLine($"\tAfter modifing num : {num}");
    }
}
class Program
{
    static void Main()
    {
        var obj = new FunClass();
        int num=15;
        Console.WriteLine($"Before calling fun num : {num}");
        obj.fun(num);
        Console.WriteLine($"After calling fun num : {num}");
    }
}

Before calling fun num : 15
	Before modifing num : 15
	After modifing num : 115
After calling fun num : 15