Switch the root item into render-only mode: every registered listener name resolves to a forwarder instead of a local function (see retrieveListener, makeForwardingListener), so no local listener functions need to be registered at all.
Called with the envelope of each forwarded event.
The parent DomItem which is DomItemRoot to switch into render-only mode.
Switch the root item into render-only mode: every registered listener name resolves to a forwarder instead of a local function (see retrieveListener, makeForwardingListener), so no local listener functions need to be registered at all.