public MainWindow() { InitializeComponent(); this.c1FlexGrid1.ItemsSource = ItemsPool= new ObservableCollection<ProjInfoData>(); Timer timer = new Timer(); timer.Interval = new TimeSpan(1000); timer.Tick += TimerOnTick; timer.Start(); }
void _txtSearch_TextChanged(object sender, TextChangedEventArgs e) { if (_imgClear != null) { // update clear button visibility _imgClear.Visibility = string.IsNullOrEmpty(_txtSearch.Text) ? Visibility.Collapsed : Visibility.Visible; // start ticking _timer.Stop(); _timer.Start(); } }