C# RSS platform FeedDownloadCompleted not working . . .

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C#

Hi,

I am using Rss platform in my application.

IFeedFolderEvents_Event feedFolderEvent = (IFeedFolderEvents_Event).(feedsManager.RootFolder).GetWatcher(
                    FEEDS_EVENTS_SCOPE.FES_ALL,
                    FEEDS_EVENTS_MASK.FEM_FEEDEVENTS); 

feedFolderEvent.FeedDownloadCompleted += new IFeedFolderEvents_FeedDownloadCompletedEventHandler(downloadedEvent_FeedDownloadCompleted);

feedFolderEvent.FeedItemCountChanged += new IFeedFolderEvents_FeedItemCountChangedEventHandler(feedFolderEvent_FeedItemCountChanged);

feedFolderEvent.FeedDownloading += new IFeedFolderEvents_FeedDownloadingEventHandler(fw_FeedDownloading);

in the above code,

fw_FeedDownloading

is working. other two events are not received. I have changed the flags in Getwatcher function and worked with several changes. But always the feedDownloading event is working. the other two events has no effect on the application. I can't understand what is the problem.please help.

thank you.