private void PauseRun(Object obj) { if (Model.SearchStatus == SearchStatus.NotRun) { return; } if (Model.SearchStatus == SearchStatus.Pause) { if (obj is Button button1) { button1.Background = new SolidColorBrush(Color.FromArgb(221, 221, 221, 221)); } Model.Resume(); TimerForWPF.Resume(); return; } if (obj is Button button) { button.Background = Brushes.Aqua; } Model.Pause(); TimerForWPF.Pause(); }