public double lengthConvert()
{
double subresult = 0;
double result = 0;
if (UnitValue < 0)
{
throw new NegativeValueException("Length cannot be negative");
}
else if (Enum.TryParse(Unit1ComboBoxValue.Replace(" ", "_"), out LengthEnum unit1ComboBoxValueEnum) && Enum.TryParse(Unit2ComboBoxValue.Replace(" ", "_"), out LengthEnum unit2ComboBoxValueEnum))
{
switch (unit1ComboBoxValueEnum)
{
case LengthEnum.Kilometre:
subresult = UnitValue * 1000;
break;
case LengthEnum.Metre:
subresult = UnitValue;
break;
case LengthEnum.Centimetre:
subresult = UnitValue * 0.01;
break;
case LengthEnum.Millimetre:
subresult = UnitValue * 0.001;
break;
case LengthEnum.Mile:
subresult = UnitValue * 1609.34;
break;
case LengthEnum.Yard:
subresult = UnitValue * 0.9144;
break;
case LengthEnum.Foot:
subresult = UnitValue * 0.3048;
break;
case LengthEnum.Inch:
subresult = UnitValue * 0.0254;
break;
case LengthEnum.Nautical_Mile:
subresult = UnitValue * 1852;
break;
}
switch (unit2ComboBoxValueEnum)
{
case LengthEnum.Kilometre:
result = subresult * 0.001;
break;
case LengthEnum.Metre:
result = subresult;
break;
case LengthEnum.Centimetre:
result = subresult * 100;
break;
case LengthEnum.Millimetre:
result = subresult * 1000;
break;
case LengthEnum.Mile:
result = subresult * 0.000621371;
break;
case LengthEnum.Yard:
result = subresult * 1.09361;
break;
case LengthEnum.Foot:
result = subresult * 3.28084;
break;
case LengthEnum.Inch:
result = subresult * 39.3701;
break;
case LengthEnum.Nautical_Mile:
result = subresult * 0.000539957;
break;
}
return(result);
}
else
{
throw new NegativeValueException("Error: Unexpected enum value");
}
}
public double TemperatureConvert()
{
double subresult = 0;
double result = 0;
if (Enum.TryParse(Unit1ComboBoxValue.Replace(" ", "_"), out TemperatureEnum unit1ComboBoxValueEnum) && Enum.TryParse(Unit2ComboBoxValue.Replace(" ", "_"), out TemperatureEnum unit2ComboBoxValueEnum))
{
switch (unit1ComboBoxValueEnum)
{
case TemperatureEnum.Celcius:
subresult = UnitValue;
break;
case TemperatureEnum.Fahrenheit:
subresult = ((UnitValue - 32) * 0.556);
break;
case TemperatureEnum.Kelvin:
subresult = UnitValue - 273.15;
break;
}
if (subresult < -273.15)
{
throw new NegativeValueException("This temperature is below absolute zero");
}
switch (unit2ComboBoxValueEnum)
{
case TemperatureEnum.Celcius:
result = subresult;
break;
case TemperatureEnum.Fahrenheit:
result = ((subresult * 1.8) + 32);
break;
case TemperatureEnum.Kelvin:
result = subresult + 273.15;
break;
}
return(result);
}
else
{
throw new NegativeValueException("Error: Unexpected enum value");
}
}
