private Thickness CalculateThickness()
{
var thickness = (Thickness)_thicknessConverter
.ConvertFromInvariantString(_formattedMultiplierString);
double multiplier = GetFinalLengthMultiplier();
return(new Thickness(
thickness.Left * multiplier,
thickness.Top * multiplier,
thickness.Right * multiplier,
thickness.Bottom * multiplier));
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value == null)
{
return(null);
}
string strValue = value as string;
if (strValue != null)
{
try
{
return(_thicknessConverter.ConvertFromInvariantString(strValue));
}
catch
{
}
}
return(Binding.DoNothing);
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
var margin = value as string;
if (string.IsNullOrEmpty(margin))
{
return(DependencyProperty.UnsetValue);
}
var thicknessConverter = new ThicknessConverter();
var convertFromString = thicknessConverter.ConvertFromInvariantString(margin);
if (convertFromString == null)
{
return(DependencyProperty.UnsetValue);
}
var thickness = (Thickness)convertFromString;
var top = thickness.Top;
var bottom = thickness.Bottom;
thickness.Top = bottom;
thickness.Bottom = top;
return(thickness);
}