public async void NewGame()
{
var aa = Attempts;
var level = Level;
Puzzle?.Hide();
Attempts = null;
var p = Combination.CreatePuzzle(level);
p.Height = height;
p.Hide();
foreach (var a in aa)
{
a.Empty();
}
Attempts = aa;
Puzzle = p;
OnWon?.BeginInvoke(this, null, null, null);
CurrentAttemptIndex = 0;
SetAttempt(0);
}
private void YouWon()
{
OnWon?.BeginInvoke(this, null, null, null);
Puzzle.Show();
}