Check property setter value - CSharp Custom Type

CSharp examples for Custom Type:Property

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Description

Check property setter value

Demo Code

using static System.Console;
using System;//from   w  w w .  j  a va2s  .co  m
using System.Collections.Generic;
class Program
{
   static void Main(string[] args)
   {
      var sam = new Person
      {
         Name = "Sam",
         DateOfBirth = new DateTime(2020, 1, 27)
      };
      sam.FavoriteIceCream = "Chocolate";
      WriteLine($"Sam's favorite ice-cream flavor is {sam.FavoriteIceCream}.");
      sam.FavoritePrimaryColor = "Red";
      WriteLine($"Sam's favorite primary color is {sam.FavoritePrimaryColor}.");
   }
}
public class Person : object
{
   public string Name;
   public DateTime DateOfBirth;
   public List<Person> Children = new List<Person>();
   public readonly DateTime Instantiated;
   public const string Species = "Programmer";
   public readonly string HomePlanet = "Earth";
   public Person()
   {
      Name = "Unknown";
      Instantiated = DateTime.Now;
   }
   public string FavoriteIceCream { get; set; } // auto-syntax
   private string favoritePrimaryColor;
   public string FavoritePrimaryColor
   {
      get
      {
         return favoritePrimaryColor;
      }
      set
      {
         switch (value.ToLower())
         {
            case "red":
            case "green":
            case "blue":
            favoritePrimaryColor = value;
            break;
            default:
            throw new System.ArgumentException($"{value} is not a primary color.Choose from: red, green, blue.");
         }
      }
   }
}

Result


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