public override void Execute(object parameter)
{
var viewModel = (SongViewModel)parameter;
var song = new SongDb();
var sw = new SongWindow();
sw.DataContext = song;
sw.ShowDialog();
if (sw.DialogResult.HasValue && sw.DialogResult.Value)
{
using (var db = new SongDbContext())
{
db.Songs.Add(song);
db.SaveChanges();
}
viewModel.Songs.Add(SongViewModel.SongConverter(song));
viewModel.SelectedSong = SongViewModel.SongConverter(song);
}
}
public override bool CanExecute(object parameter)
{
SongViewModel viewModel = parameter as SongViewModel;
return(viewModel != null && viewModel.SelectedSong != null);
}