private void RaiseCompleted(CompletedEventArgs eventArgs)
{
var handler = Completed;
if (handler != null)
{
handler(this, eventArgs);
}
}
private void OnFinishedTask(Task <SearchResult> task)
{
if (task == null)
{
return;
}
SearchResult result = null;
CompletedReasones reason;
if (task.IsFaulted)
{
reason = CompletedReasones.Faulted;
if (task.Exception != null)
{
foreach (var error in task.Exception.InnerExceptions)
{
LogMessage("Error:", error);
}
}
else
{
LogMessage("Unknow error.");
}
}
else if (task.IsCanceled)
{
reason = CompletedReasones.Cancelled;
}
else
{
try
{
result = task.Result;
reason = CompletedReasones.NormalCompleted;
}
catch (AggregateException aex)
{
reason = CompletedReasones.Faulted;
foreach (var error in aex.InnerExceptions)
{
LogMessage("Error:", error);
}
}
}
var completeArgs = new CompletedEventArgs(result, reason, new ProgressHandler(this));
RaiseCompleted(completeArgs);
_searcherUI.DoSearchFinished(completeArgs);
}
public void DoSearchFinished(CompletedEventArgs e)
{
UnSubscribeToSearcherEvents();
if (!_searcher.IsUIVisible)
{
_searcher.ShowUI();
}
btnCancel.Enabled = false;
btnHide.Text = "Close";
Text = "Search Finished";
string message;
switch (e.Reason)
{
case CompletedReasones.Cancelled:
message = "Search has been canceled successfully.";
break;
case CompletedReasones.Faulted:
message = "Search has been faulted due to an unhandled exception.";
break;
case CompletedReasones.NormalCompleted:
message = e.Result == null || e.Result.IsEmpty()
? "No results were found. Please change the search criteria."
: "Search finished successfully.";
break;
default:
message = "Search was finished for unknown reason.";
break;
}
searcher_OnMessage(_searcher, new LogMessageEventArgs(message));
}