using System; using System.Reflection; public class Generic<T> { public delegate void Delegate(Generic<T> proxy, T value); } class X { public static int Main () { Type t = typeof (Generic<bool>); MemberInfo[] mi = t.FindMembers (MemberTypes.NestedType, BindingFlags.Static | BindingFlags.Public | BindingFlags.DeclaredOnly, null, null); return mi.Length - 1; } }