Group properties in a custom control

Question

In our IDE, for example, Visual Studio, if we display the properties of a System.Windows.Forms.Button control, we see some properties that expose anoter set of properties. F

Answer 1

You need to tell it to use ExpandableObjectConverter (or a custom converter) for StateOfMyCustomControl. In C#, this is:

[TypeConverter(typeof(ExpandableObjectConverter))]
public class StateOfMyCustomControl {...}

However you apply attributes in VB, do that ;-p

Possibly:

<TypeConverter(GetType(ExpandableObjectConverter))> _
Public Class StateOfMyCustomControl
...