public int CalculateSquareNumber()
{
int valueFromTheRam = this.ram.LoadValue();
if (valueFromTheRam < 0)
{
throw new ArgumentException("Number too low.");
}
else if (valueFromTheRam > 2000)
{
throw new ArgumentException("Number too high.");
// TODO: Catch the exception and draw it with the video card
}
else
{
return valueFromTheRam * 2;
// TODO: use this later at the rendering: string.Format("Square of {0} is {1}.", valueFromTheRam, value)
}
}