public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is double) && !(value is float))
{
return(null);
}
return(XMath.Eq(_prevValue, System.Convert.ToDouble(value))
? Binding.DoNothing
: value.ToString());
}
public override object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is string))
{
return(null);
}
double doubleValue = double.Parse(value.ToString());
if (!XMath.Eq(_prevValue, doubleValue))
{
_prevValue = doubleValue;
}
return(doubleValue);
}
