private void Button_Click(object sender, RoutedEventArgs e)
{
viewModel.AddPerson();
var addPerson = new AddPerson();
Application.Current.MainWindow.Opacity = 0.5;
addPerson.Closed += AddPerson_Closed;
addPerson.Owner = this;
addPerson.vm = viewModel;
addPerson.ShowDialog();
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
AddPerson addPerson = new AddPerson();
addPerson.ShowDialog();
}