Object - IsSubclassOf

A T extension method that query if '@this' is subclass of a specified type.

Try it

public class Class1 { }
public class DerivedC1 : Class1 { }

public static void Main()
{
	DerivedC1 obj = new DerivedC1();
	
	//C# Extension Method: Object - IsSubclassOf
	Console.WriteLine("DerivedC1 subclass of Class1: {0}", obj.IsSubclassOf(typeof(Class1)));
}

View Source
using System;

public static partial class Extensions
{
    /// <summary>
    ///     A T extension method that query if '@this' is subclass of.
    /// </summary>
    /// <typeparam name="T">Generic type parameter.</typeparam>
    /// <param name="this">The @this to act on.</param>
    /// <param name="type">The Type to process.</param>
    /// <returns>true if subclass of, false if not.</returns>
    public static bool IsSubclassOf<T>(this T @this, Type type)
    {
        return @this.GetType().IsSubclassOf(type);
    }
}