Reference Type parameter by Ref vs. Normal, C#

Reference Type parameter by Ref vs. Normal

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            
            MyType myInstance = new MyType() { MyInt = 5, MyDate = DateTime.MinValue, MyString = "One" };
            
            //Your code goes here
            Console.WriteLine($"MyInt: {myInstance.MyInt}, MyDate: {myInstance.MyDate}, MyString: {myInstance.MyString}");
            
            PassTypeHere(myInstance);
            Console.WriteLine($"MyInt: {myInstance.MyInt}, MyDate: {myInstance.MyDate}, MyString: {myInstance.MyString}");
            
            PassTypeHereByRef(ref myInstance);
            Console.WriteLine($"MyInt: {myInstance.MyInt}, MyDate: {myInstance.MyDate}, MyString: {myInstance.MyString}");
            
        }
        
        public static void PassTypeHere(MyType value)
        {
            value = new MyType() { MyInt = 10, MyDate = DateTime.MaxValue, MyString = "Two" };

Console.WriteLine($"MyInt: {value.MyInt}, MyDate: {value.MyDate}, MyString: {value.MyString}");
            
        }
        
        public static void PassTypeHereByRef(ref MyType value)
        {
            value = new MyType() { MyInt = 10, MyDate = DateTime.MaxValue, MyString = "Two" };

Console.WriteLine($"MyInt: {value.MyInt}, MyDate: {value.MyDate}, MyString: {value.MyString}");
            
        }
        
        public class MyType
        {
            public int MyInt { get; set; }
            
            public DateTime MyDate { get; set; }
            
            public string MyString { get; set; }
        }
    }
}


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Empty, I hope not to trigger a world war, after all, it is an international service, there are Koreans, British Canadians, I do not want to carry the black pot that caused the world war

by lishihao, 2 months ago

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