use derived class object in base class
<p>I have a base class which contain helper method, and I have some derived classes which contain some virtual methods. </p>

<p>so, I want to know how can I use the derived class object in the base classes virtual methods?</p>

<p>derived class </p>

<pre><code> class myclass :baseClass
{
    public string id { get; set; }

    public string name { get; set; }

}
</code></pre>

<p>base class</p>

<pre><code>public abstract class baseClass
{

    public virtual object FromStream()
    {
        string name, type;

        List&lt;PropertyInfo&gt; props = new List&lt;PropertyInfo&gt;(typeof(object).GetProperties()); // here I need to use derived class object 

        foreach (PropertyInfo prop in props)
        {
            type = prop.PropertyType.ToString();
            name = prop.Name;

            Console.WriteLine(name + " as "+ type);
        }
        return null;
    }
</code></pre>

<p>main </p>

<pre><code> static void Main(string[] args)
    {
        var myclass = new myclass();
        myclass.FromStream(); // the object that I want to use it 

        Console.ReadKey();
    }
</code></pre>