private void Eqalizer_Closed(object sender, EventArgs e) { eqalizer = null; eqButton.IsChecked = false; }
private void ToggleButton_Click_2(object sender, RoutedEventArgs e) { if (((ToggleButton)sender).IsChecked == true) { if (eqalizer == null) { eqalizer = new Equalizer(sett); eqalizer.Closed += Eqalizer_Closed; } eqalizer.Show(); } else eqalizer.Close(); }