// Autocomplete search box
private void UserSearch_TextChanged(object sender, TextChangedEventArgs e)
{
new Thread(new ThreadStart(() =>
{
// Suggestions for searchbox
var suggestions = new List <InstagramUI_Users.UserView>();
// Text must be larger than 2 characters
if (prevQuery.Length > 2)
{
// Look for the suggestions
var users = instagram.SearchUsers(prevQuery);
// Fill the list with suggestions
Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Render, new Action(() =>
{
if (UserSearch.Text == "")
{
return;
}
foreach (var u in users)
{
suggestions.Add(new InstagramUI_Users.UserView()
{
User = u
});
}
UsersSuggestion.ItemsSource = null;
// If suggestions found
if (suggestions.Count > 0)
{
UsersSuggestion.ItemsSource = suggestions;
UsersSuggestion.Visibility = Visibility.Visible;
}
else
{
UsersSuggestion.ItemsSource = null;
UsersSuggestion.Visibility = Visibility.Collapsed;
}
prevQuery = UserSearch.Text;
}));
}
else
{
// No query larger than 2 characters yet
Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Render, new Action(() =>
{
if (UserSearch.Text == "")
{
return;
}
UsersSuggestion.ItemsSource = null;
UsersSuggestion.Visibility = Visibility.Collapsed;
prevQuery = UserSearch.Text;
}));
}
})).Start();
}
