public static BaseAngle TryParse(string s)
{
if (s[0] == 'd')
{
var b = new DegreeAngle();
b.value = double.Parse(s.Substring(1), NumberFormatInfo.InvariantInfo);
return(b);
}
return(null);
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value == null)
{
return(DependencyProperty.UnsetValue);
}
string s = value as string;
if (s == "")
{
return(DependencyProperty.UnsetValue);
}
BaseAngle val = null;
val = DegreeAngle.TryParse(s);
if (val == null)
{
val = RadAngle.TryParse(s);
}
if (val == null)
{
val = MilAngle.TryParse(s);
}
if (val == null)
{
double d;
if (double.TryParse(s, NumberStyles.Float, NumberFormatInfo.InvariantInfo, out d))
{
val = BaseAngle.Create <MilAngle>(double.Parse(s, NumberFormatInfo.InvariantInfo));
}
}
if (val == null)
{
return(DependencyProperty.UnsetValue);
}
else
{
return(val);
}
}