private ISearchResult SearchUpdatesUtil(CancellationToken cancellationToken)
{
try
{
IUpdateSearcher uSearcher = this._uSession.CreateUpdateSearcher();
SearchCompletedCallback searchCompletedCallback = new SearchCompletedCallback();
string searchQuery = this._serviceSettings.WUQuery;
ISearchJob searchJob = uSearcher.BeginSearch(searchQuery, searchCompletedCallback, null);
TimeSpan operationTimeOut = TimeSpan.FromMinutes(this._serviceSettings.WUOperationTimeOutInMinutes);
if (
!this._helper.WaitOnTask(searchCompletedCallback.Task, (int)operationTimeOut.TotalMilliseconds,
cancellationToken))
{
_eventSource.Message("searchJob : Requested Abort");
searchJob.RequestAbort();
}
ISearchResult uResult = uSearcher.EndSearch(searchJob);
return(uResult);
}
catch (Exception e)
{
_eventSource.InfoMessage("Exception while searching for Windows-Updates: {0}", e);
return(null);
}
}
void AbortChecking()
{
DebugLog("Requesting abort...");
searchJob_?.RequestAbort();
}
private void WaitForSearchJobComplete(ISearchJob job)
{
if (job == null)
return;
do
{
if (DialogsManager.CancelRequested)
job.RequestAbort();
Thread.Sleep(5);
Application.Current.DoEvents();
} while (!job.IsCompleted);
}
public override void RequestAbort() => _job.RequestAbort();
