/// <summary>
/// Extension method to check that the DTO thing instance is equal to, or a descendant of the supplied generic type T.
/// </summary>
/// <typeparam name="T">
/// Generic type parameter to check against
/// </typeparam>
/// <param name="thing">
/// The Thing instance on which the type check is performed
/// </param>
/// <returns>
/// True if determined equal or descendant type.
/// </returns>
public static bool IsSameOrDerivedClass <T>(this Thing thing)
{
var potentialBase = typeof(T);
var potentialDescendant = thing.GetType();
return(potentialDescendant.IsSubclassOf(potentialBase) || potentialDescendant == potentialBase);
}
