node, although there is a slight hitch.
ActiveX controls authored in VB have an automatic wrapper generated around them,
called the <span class="code">Extender</span>.  It turns out that it is difficult
to return this object to the caller and so the <span class="code">Owner</span> property 
only returns the internal ActiveX control rather than the extender.  That means you
can't use VB's object identity test <span class="code">is</span> for comparison with
a control on a form, instead you need to use the ow