public override object ConvertBack(object v, Type t, object p, CultureInfo c)
{
var result_1 = Second?.ConvertBack(v, t, p, c) ?? v;
var result_2 = First?.ConvertBack(result_1, t, p, c) ?? result_1;
return(result_2);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
object temp = Second.ConvertBack(value, null, null, culture);
object result = First.ConvertBack(temp, targetType, null, culture);
return(result);
}
public override object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
var result2 = Second?.ConvertBack(value, targetType, parameter, culture) ?? value;
var result1 = First?.ConvertBack(result2, targetType, parameter, culture) ?? result2;
return(result1);
}
public override object[] ConvertBack(object v, Type[] tt, object p, CultureInfo c)
{
if (Then != null)
{
v = Then.ConvertBack(v, v != null ? v.GetType() : typeof(object), p, c);
}
return(First.ConvertBack(v, tt, p, c));
}
public override object ConvertBack(object v, Type t, object p, CultureInfo c)
{
if (Then != null)
{
v = Then.ConvertBack(v, t, p, c);
}
if (First != null)
{
v = First.ConvertBack(v, t, p, c);
}
return(v);
}
/// <summary>
/// Modifies the target data before passing it to the source object. This method is called only in <see cref="F:System.Windows.Data.BindingMode.TwoWay" /> bindings.
/// </summary>
/// <param name="value">The target data being passed to the source.</param>
/// <param name="targetType">The <see cref="T:System.Type" /> of data expected by the source object.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the source object.
/// </returns>
/// <exception cref="NullReferenceException">if value is null</exception>
public object ConvertBack(
object value,
Type targetType,
object parameter,
System.Globalization.CultureInfo culture)
{
return(First.ConvertBack(
value: Second.ConvertBack(value, targetType, parameter, culture),
targetType: targetType,
parameter: parameter,
culture: culture));
}
/// <inheritdoc />
protected override object?ConvertBack(object?v, Type?t, object?p, CultureInfo?c)
{
var other = Other;
if (other != null)
{
for (var i = other.Length - 1; i >= 0; i--)
{
var converter = other[i];
if (converter != null)
{
v = converter.ConvertBack(v, t, p, c);
}
}
}
if (other != null && other.Length > 0)
{
for (var i = other.Length - 1; i >= 0; i--)
{
if (other[i] != null)
{
v = other[i].ConvertBack(v, t, p, c);
}
}
}
if (Then != null)
{
v = Then.ConvertBack(v, t, p, c);
}
if (First != null)
{
v = First.ConvertBack(v, t, p, c);
}
return(v);
}