using System;

using System.Reflection;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("starting...");

        Obj obj = new Obj();

        obj.Time = 0;

        obj.Rates = new Dictionary<string, object>();

        obj.Names = new Dictionary<string, string>();

        obj.Tests = new Dictionary<int, string>();

        //Console.WriteLine(obj.CallRates.GetType());

        //Console.WriteLine(obj.CallRates.GetType().IsGenericType);

        foreach (PropertyInfo item in obj.GetType().GetProperties())

        {       

            if(typeof(System.Collections.IDictionary).IsAssignableFrom(item.PropertyType))

            {

                Console.WriteLine(item.Name + " property is a dictionary");

            }

        }

    }

}

​

public class Obj

{

    public int Time {get; set;}

    public Dictionary<string, object> Rates { get; set; }

    public Dictionary<string, string> Names { get; set; }

    public Dictionary<int, string> Tests { get; set; }

}