private void Button_Click(object sender, System.Windows.RoutedEventArgs e) { Logger.Debug("Adding new Team"); if (_signupForm == null) { _signupForm = new SignupTeam(Disabler, this); _signupForm.CommitCancelled += (o, args) => ClearContent(); } _signupForm.Reset(); TeamList.SelectedItem = null; _dataContext.Content = _signupForm; }