C#

var properties = yourType.GetProperties().Select(p => p.Name); // Returns an IEnumerable<string> of the names (only returns public by default)

var properties = yourType.GetProperties().Select(p => p.PropertyType); // Returns IEnumerable<Type> of property type
var instance = Activator.CreateInstance(properties.First());           // Creates the default value for the type of the first property in list

var childClasses = typeof(Program).GetNestedTypes().Select(t => t.Name);  // Returns IEnumerable<string> of names of child properties

static class Program {
       /// <summary>
       /// The main entry point for the application.
       /// </summary>
       [STAThread]
       static void Main() {
           Application.EnableVisualStyles();
           Application.SetCompatibleTextRenderingDefault(false);
           LoginApplicationContext loctx = new LoginApplicationContext(new Form1(), new LogIn());
           Application.Run(loctx);
       }
   }

   public class LoginApplicationContext : ApplicationContext {

       private Form appForm;

       public LoginApplicationContext(Form app, Form login)
           : base(login) {
           appForm = app;
       }

       protected override void OnMainFormClosed(object sender, EventArgs e) {
           if (sender is LogIn) {
               if ((sender as LogIn).DialogResult == DialogResult.OK) {
                   base.MainForm = this.appForm;
                   base.MainForm.Show();
               } else {
                   Application.Exit();
               }
           } else if (sender is Form1) {
               base.OnMainFormClosed(sender, e);
           }
       }

   }