handler to tie all these pieces together, and they hide
their <B><A HREF="../TkCmd/destroy.html">destroy</A></B> method so that it is not invoked inadvertently. It is
<I>recommended</I> that any user changes to the slot mechanism be restricted to
defining new operations whose names start with a hyphen.
<H3><A NAME="M38">EXAMPLES</A></H3>
This example demonstrates how to use both forms of the <B>oo::define</B> and
<B>oo::objdefine</B> commands (they work in the same way), as well as
illustrating four of the 