Cannot reuse wpf window after closing

Question

I am using a window to change database configuration for my application. Settings button click is handeled by Config(), it show settings windows when clicked. If I close the

Answer 1

ConfigDialogBox configDlg = null;



private void Config(object sender, RoutedEventArgs e)
        {            
         configDlg = new ConfigDialogBox();
            configDlg.Show();
            configDlg.okButton.Click+=new RoutedEventHandler(SettingsChanged);
            configDlg.cancelButton.Click+=new RoutedEventHandler(SettingsChanged);
        }