private void TxtSearch_OnTextChanged(object sender, TextChangedEventArgs e) { if (string.IsNullOrEmpty(txtSearch.Text)) { fltControl.FilterAction(); } }
private void btnFilter_Click(object sender, RoutedEventArgs e) { fltControl = DataContext as IControlQFilter; // ReSharper disable once UseNullPropagation if (fltControl != null && fltControl.FilterAction != null) { fltControl.FilterAction(); } }