using System;
using System.IO;
class MainClass
{
public static bool IsType(object obj, string type)
{
Type t = Type.GetType(type, true, true);
return t == obj.GetType() || obj.GetType().IsSubclassOf(t);
}
public static void Main()
{
Object someObject = new StringReader("This is a StringReader");
if (typeof(StringReader) == someObject.GetType())
{
Console.WriteLine("typeof: someObject is a StringReader");
}
if (IsType(someObject, "System.IO.TextReader"))
{
Console.WriteLine("GetType: someObject is a TextReader");
}
}
}