Vlad,

Custom is indeed a container. The visual designers do not allow you to add contained objects to a custom subclass. At runtime using AddObject() in code will put objects inside.

>The Custom control has AddObject and RemoveObject methods and Controls and Objects collections. Does they qualify the Custom control as a container?
>
>lad
>
>>Jim, How is the Custom a container?... or am I missing something obvious?
>>Moreover the Control is a container but isn't it just in Theory or better put it as it is a container only at design time.