private static void OnTextPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e) { SearchTextBox stb = o as SearchTextBox; if (stb != null) { stb.UpdateSearchButtonIsEnabled(); } }
private static void OnInstantSearchDelayChanged(DependencyObject o, DependencyPropertyChangedEventArgs e) { SearchTextBox stb = o as SearchTextBox; if (stb != null) { stb._searchDelayTimer.Interval = ((Duration)e.NewValue).TimeSpan; stb._searchDelayTimer.Stop(); } }
private static void OnAllowEmptySearchesChanged(DependencyObject o, DependencyPropertyChangedEventArgs e) { SearchTextBox stb = o as SearchTextBox; bool allowEmptySearches = (bool)e.NewValue; if (stb != null && stb._searchButtonHost != null) { if (allowEmptySearches) { stb._searchButtonHost.IsEnabled = (stb.Command == null) ? true : stb.Command.CanExecute(stb.CommandParameter); } else { stb.UpdateSearchButtonIsEnabled(); } } }