public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
if (targetTypes.Length != 2)
{
throw new ArgumentException(string.Format((IFormatProvider)CultureInfo.CurrentCulture, ExceptionStringTable.Error_InsufficientTypeParameters, new object[1]
{
(object)2
}));
}
if (!(value is TTarget) && (value != null || typeof(TTarget).IsValueType))
{
throw new ArgumentException(string.Format((IFormatProvider)CultureInfo.CurrentCulture, ExceptionStringTable.Error_ValueNotOfType, new object[1]
{
(object)typeof(TTarget).FullName
}));
}
MultiValueHelper.CheckType <TSource1>(targetTypes, 0);
MultiValueHelper.CheckType <TSource2>(targetTypes, 1);
TSource1 out1;
TSource2 out2;
this.ConvertBack((TTarget)value, out out1, out out2, parameter, culture);
return(new object[2]
{
(object)out1,
(object)out2
});
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values.Length != 2)
{
throw new ArgumentException(string.Format((IFormatProvider)CultureInfo.CurrentCulture, ExceptionStringTable.Error_InsufficientSourceParameters, new object[1]
{
(object)2
}));
}
foreach (object obj in values)
{
if (obj == DependencyProperty.UnsetValue)
{
return((object)default(TTarget));
}
}
MultiValueHelper.CheckValue <TSource1>(values, 0);
MultiValueHelper.CheckValue <TSource2>(values, 1);
if (!targetType.IsAssignableFrom(typeof(TTarget)))
{
throw new InvalidOperationException(string.Format((IFormatProvider)CultureInfo.CurrentCulture, ExceptionStringTable.Error_TargetNotExtendingType, new object[1]
{
(object)typeof(TTarget).FullName
}));
}
return((object)this.Convert((TSource1)values[0], (TSource2)values[1], parameter, culture));
}
