void _firstTimer_Completed(object sender, object e) { if (Duration-- >= 0) { //UnitGenerator.AddBufDemageOne(_oldCall, _bullet, _bullet.DemageMagic); if (UnitGenerator.AddStuneOne(_oldCall, _bullet, _bullet.StunDuration, _bullet.StunDuration)) { StopMine(); } else { _firstTimer.Begin(); } } else { BoomMethod(_bullet.PositionX, _bullet.PositionY); StopMine(); } }