public void RemoveSevenSegmentDigit(SevenSegmentDigit sevenSegmentDigit)
{
List <SevenSegmentDigit> newList = SevenSegmentDigits.ToList();
newList.Remove(sevenSegmentDigit);
SevenSegmentDigits = newList.OrderBy(digit => digit.Position).ToList();
}
public void AddSevenSegmentDigit(SevenSegmentDigit sevenSegmentDigit)
{
List <SevenSegmentDigit> newList = SevenSegmentDigits.ToList();
newList.Add(sevenSegmentDigit);
SevenSegmentDigits = newList.OrderBy(digit => digit.Position).ToList();
setOutputStateDirty();
writeOutputState();
}