[vbox-dev] Question about IEvent capabilities in v4.x.x
joseph1962smith at yahoo.com
Fri Feb 11 14:26:33 PST 2011
The IEvent capabilities that have been introduced in v4.x.x work quite nicely.
I have a question about how much information is available when an event is
Does the IMachineDataChangedEvent (OnMachineDataChanged) provide a means of
determining the specific data that has changed?
Maybe it's possible and I have missed something.
Other events (e.g: INATRedirectEvent) provide a means of determining that
information without retrieving entire data-set.
Thus far, since I am unable to determine which specific machine data changed, it
seems the only way to ensure I am in-sync is to retrieve all the machine data
(attached storage controllers, audio settings, serial-port settings, VRDEServer
settings, etc). If that is the case ... that's a lot of overhead if there are
many machines that are frequently being modified.
Hopefully I've missed something. Any feedback is appreciated.
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