public double PriceByIndex(int index = 0) { if (index < 0 || index >= grid.Count) { return(0); } int key = grid.Keys[index]; return(PriceHelper.GetPriceByLevel(key)); }
public double PriceByIndex(int index) { lock (this) { if (index < 0 || index >= Grid.Count) { return(0); } int key = Grid.Keys[index]; return(PriceHelper.GetPriceByLevel(key)); } }