public async Task <object> GetMatchingItemsAsync(SfAutoComplete source, AutoCompleteFilterInfo filterInfo)
{
IEnumerable itemssource = source.ItemsSource as IEnumerable;
var filteredItems = (from CityInfo item in itemssource
where item.CountryName.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase) ||
item.CityName.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase)
select item);
return(await Task.FromResult(filteredItems));
}
public async Task <object> GetMatchingItemsAsync(SfAutoComplete source, AutoCompleteFilterInfo filterInfo)
{
List <ContinentInfo> list = new List <ContinentInfo>();
IEnumerable itemsSource = source.ItemsSource as IEnumerable;
list.AddRange(from item in itemsSource.Cast <ContinentInfo>()
let filteritem = this.GetStringFromMemberPath(item, nameof(item.Country))
where filteritem.Contains(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase)
select item);
var collectionViewSource = new CollectionViewSource();
collectionViewSource.Source = list.GroupBy(item => item.Continent);
collectionViewSource.IsSourceGrouped = true;
return(await Task.FromResult(collectionViewSource.View));
}
public async Task <object> GetMatchingItemsAsync(SfAutoComplete source, AutoCompleteFilterInfo filterInfo)
{
if (this.cancellationTokenSource != null)
{
this.cancellationTokenSource.Cancel();
this.cancellationTokenSource.Dispose();
}
this.cancellationTokenSource = new CancellationTokenSource();
CancellationToken token = this.cancellationTokenSource.Token;
return(await Task.Run(() =>
{
List <string> list = new List <string>();
for (int i = 1; i < 100; i++)
{
list.Add(filterInfo.Text + i);
}
return list;
}, token));
}
public Task <object> GetMatchingItemsAsync(SfAutoComplete source, AutoCompleteFilterInfo filterInfo)
{
return(GetGoogleSuggestions(filterInfo.Text));
}
