Creating Your Own Custom Dynamic C# Classes

[Costas]

the class:

//source - http://dontcodetired.com/blog/post/Creating-Your-Own-Custom-Dynamic-C-Classes
using System.Collections.Generic;
using System.Dynamic;
using System.Text;
 
namespace CustomDynamic
{
    class MyDynamicClass : DynamicObject
    {
        private readonly Dictionary<string, object> _dynamicProperties = new Dictionary<string, object>(); 
 
        public override bool TrySetMember(SetMemberBinder binder, object value)
        {
            _dynamicProperties.Add(binder.Name, value);
 
            // additional error checking code omitted
 
            return true;
        }
 
        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            return _dynamicProperties.TryGetValue(binder.Name, out result);
        }
 
        public override string ToString()
        {
            var sb = new StringBuilder();
 
            foreach (var property in _dynamicProperties)
            {
                sb.AppendLine($"Property '{property.Key}' = '{property.Value}'");
            }
 
            return sb.ToString();
        }
    }
}

use of :

//source - http://dontcodetired.com/blog/post/Creating-Your-Own-Custom-Dynamic-C-Classes
using System;
 
namespace CustomDynamic
{
    class Program
    {
        static void Main(string[] args)
        {            
            dynamic d = new MyDynamicClass();
 
            // Need to declare as dynamic, the following cause compilation errors:
            //      MyDynamicClass d = new MyDynamicClass();
            //      var d = new MyDynamicClass();
 
            // Dynamically add properties
            d.Name = "Sarah"; // TrySetMember called with binder.Name of "Name"
            d.Age = 42; // TrySetMember called with binder.Name of "Age"
 
            Console.WriteLine(d.Name); // TryGetMember called
            Console.WriteLine(d.Age); // TryGetMember called
 
            Console.ReadLine();
        }
    }
}