Re: How to sink events from the multiple ActiveX controls
miikka.laakso@kaannos.com wrote:
Igor Tandetnik wrote:
You must derive from IDispEventImpl multiple times, once for each
control you need to sink events from. Give each such IDispEventImpl
instance a unique ID (the first template parameter). In your sink
map, add an entry for every event of every control you want to sink
(e.g. if you want to sink IGroupEvents event from three different
controls, you would need three separate entries). Make sure the
first parameter to SINK_ENTRY_EX matches the ID you gave to
corresponding IDispEventImpl.
Lets say that container has only group controls and they are added
into the container dynamically (container contains unknown amount of
group controls). So I cant create sink for each control independly.
You can, just not the way I described. You need a separate class derived
from IDispEventImpl (you don't need any other base classes). Create an
instance of this sink class every time a new control is added, advise it
with DispEventAdvise as you were doing originally. Your dialog will have
to maintain a list of these sinks, and some mechanism for each sink to
report events back to the dialog.
--
With best wishes,
Igor Tandetnik
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