public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var text = value as string;
if (text != null)
{
PowerUnit result;
if (PowerUnit.TryParse(text, out result))
{
return(result);
}
var message = $"Could not convert the string '{text}' to an instance of PowerUnit)";
throw new NotSupportedException(message);
}
return(base.ConvertFrom(context, culture, value));
}
public string ToString(string format, IFormatProvider formatProvider, PowerUnit unit)
{
var quantity = unit.FromSiUnit(this.watts);
return(string.Format("{0}{1}", quantity.ToString(format, formatProvider), unit.Symbol));
}
/// <summary>
/// Initializes a new instance of <see cref="T:Gu.Units.Power"/>.
/// </summary>
/// <param name="value"></param>
/// <param name="unit"><see cref="T:Gu.Units.Watts"/>.</param>
public Power(double value, PowerUnit unit)
{
this.watts = unit.ToSiUnit(value);
}
/// <summary>
/// Creates a new instance of <see cref="T:Gu.Units.Power"/>.
/// </summary>
/// <param name="value"></param>
/// <param name="unit"></param>
public static Power From(double value, PowerUnit unit)
{
return(new Power(unit.ToSiUnit(value)));
}
/// <summary>
/// Returns a quantity indicating whether this instance is equal to a specified <see cref="Gu.Units.PowerUnit"/> object.
/// </summary>
/// <param name="other">An instance of <see cref="Gu.Units.PowerUnit"/> object to compare with this instance.</param>
/// <returns>
/// true if <paramref name="other"/> represents the same PowerUnit as this instance; otherwise, false.
/// </returns>
public bool Equals(PowerUnit other)
{
return(this.symbol == other.symbol);
}
/// <summary>
/// Creates an instance of <see cref="Gu.Units.PowerUnit"/> from its string representation
/// </summary>
/// <param name="text">The string representation of the <see cref="Gu.Units.PowerUnit"/></param>
/// <param name="result">The parsed <see cref="PowerUnit"/></param>
/// <returns>True if an instance of <see cref="PowerUnit"/> could be parsed from <paramref name="text"/></returns>
public static bool TryParse(string text, out PowerUnit result)
{
return(UnitParser <PowerUnit> .TryParse(text, out result));
}