Na straně 343 knihy 1001 typů a triků pro C# je

 string file = "";
            private void button1_Click(object sender, EventArgs e)
        {
           openFileDialog1.ShowDialog();
            file = openFileDialog1.FileName; 
            Assembly knihovna = Assembly.LoadFile(@file);


            Type[] typy = knihovna.GetTypes();
            foreach (Type  t in typy)
            {
                label1.Text ="Trida {0} obsahuje tyto datove slozky:"+ t.Name;
                foreach (MemberInfo mi in t.GetMembers())
                {
                    textBox1.Text = textBox1.Text + "Typ clenu : {0}" + "nazev: {1}" + mi.MemberType + mi.Name;
                }    
            }
        }