Activator.CreateInstance can't find the constructor (MissingMethodException)

Question

I have a class which has the following constructor

public DelayCompositeDesigner(DelayComposite CompositeObject)
{
    InitializeComponent();

    compositeObjec         


        

Answer 1

Though I hate printf-like debugging ...

public static void foo(Type t, params object[] p)
{
    System.Diagnostics.Debug.WriteLine("<---- foo");
    foreach(System.Reflection.ConstructorInfo ci in t.GetConstructors())
    {
        System.Diagnostics.Debug.WriteLine(t.FullName + ci.ToString());
    }
    foreach (object o in p)
    {
        System.Diagnostics.Debug.WriteLine("param:" + o.GetType().FullName);
    }
    System.Diagnostics.Debug.WriteLine("foo ---->");
}
// ...
foo(designerAttribute.Designer, new DelayComposite(4));
var designer = Activator.CreateInstance(designerAttribute.Designer, new DelayComposite(4));

What does that print in the visual studio's output window?