public class Test
{
  Test(string foo, int bar)
    {
      Console.WriteLine("Test ctor with : " + foo + " and " + bar);
    }

  public void foo()
    {
      Console.WriteLine("bar");
    }
}

public partial class Page : UserControl
{
  public event EventHandler my_event;
  private Jit<Test> test = new Jit<Test>(new object[]{"42", 42});

  public Page()
    {
      InitializeComponent();
      // test is not yet built
      test.single().foo(); // Whill build a Test and call foo()
      test.single().foo(); // Whill call foo on the same Test.
    }
}