void _phoneContacts_SearchCompleted(object sender, ContactsSearchEventArgs e)
{
ContactsList.Clear();
try
{
if (e.Results.Any())
{
var items = (from r in e.Results
where r.Birthdays.Any()
select r);
ContactsList.AddRange(items);
if (GetEntriesCompleted != null)
{
GetEntriesCompleted(this, new GetEntriesCompletedEventArgs()
{
Contacts = GetBirthdayContacts().AsQueryable()
});
}
}
else
{
if (GetEntriesCompleted != null)
{
GetEntriesCompleted(this, new GetEntriesCompletedEventArgs()
{
Contacts = new List <BirthdayContact>().AsQueryable()
});
}
}
}
#if DEBUG
catch (InvalidOperationException iex)
{
DebugUtility.SaveDiagnosticException(iex);
#else
catch
{
#endif
if (GetEntriesCompleted != null)
{
GetEntriesCompleted(this, new GetEntriesCompletedEventArgs()
{
Contacts = new List <BirthdayContact>().AsQueryable()
});
}
}
}
public Task <IQueryable <BirthdayContact> > GetAllEntriesAsync(bool forceRefresh = false)
{
TaskCompletionSource <IQueryable <BirthdayContact> > tcs = new TaskCompletionSource <IQueryable <BirthdayContact> >();
if (ContactsList.Count == 0 || forceRefresh)
{
Contacts contacts = new Contacts();
contacts.SearchCompleted += (s, e) =>
{
try
{
ContactsList.Clear();
if (e.Results.Any())
{
var items = (from r in e.Results
where r.Birthdays.Any()
select r);
ContactsList.AddRange(items);
tcs.TrySetResult(GetBirthdayContacts().AsQueryable());
}
else
{
tcs.TrySetResult(new List <BirthdayContact>().AsQueryable());
}
}
catch (InvalidOperationException iex)
{
tcs.TrySetException(iex);
}
};
contacts.SearchAsync(String.Empty, FilterKind.None, "Load Contacts");
return(tcs.Task);
}
else
{
tcs.SetResult(GetBirthdayContacts().AsQueryable());
return(tcs.Task);
}
}