private bool TryParseText(string valueText, out double numericValue)
{
PhysicalValue physicalValueResult;
if (DisplayUnit.HasValue)
{
if (!valueText.Contains(DisplayUnit.Value.ToString()))
{
valueText = valueText + " " + DisplayUnit.Value;
}
PhysicalValue.TryParse(valueText, DisplayUnit.Value, LastPrefix, out physicalValueResult);
if (!double.IsNaN(physicalValueResult.Value))
{
numericValue = physicalValueResult.ConvertTo(Unit).Value;
}
else
{
numericValue = Value;
}
}
else
{
if (!PhysicalValue.TryParse(valueText, Unit, LastPrefix, out physicalValueResult))
{
physicalValueResult.Value = Double.NaN;
}
numericValue = double.IsNaN(physicalValueResult.Value) ? Value : physicalValueResult.Value;
}
return(!double.IsNaN(physicalValueResult.Value));
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
PhysicalValue result;
if (PhysicalValue.TryParse(value.ToString(), DefaultUnit, out result))
{
return(result.Value);
}
else
{
return(double.NaN);
}
}
