public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
if (targetTypes.Length != 2)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, "", new object[]
{
2
}));
}
if (!(value is TTarget) && (value != null || typeof(TTarget).IsValueType))
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, "", new object[]
{
typeof(TTarget).FullName
}));
}
MultiValueHelper.CheckType <TSource1>(targetTypes, 0);
MultiValueHelper.CheckType <TSource2>(targetTypes, 1);
TSource1 tSource;
TSource2 tSource2;
this.ConvertBack((TTarget)((object)value), out tSource, out tSource2, parameter, culture);
return(new object[]
{
tSource,
tSource2
});
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values.Length != 2)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, "", new object[]
{
2
}));
}
for (int i = 0; i < values.Length; i++)
{
object obj = values[i];
//if (obj == DependencyProperty.UnsetValue || obj == BindingOperations.DisconnectedSource)
if (obj == DependencyProperty.UnsetValue)
{
return(default(TTarget));
}
}
MultiValueHelper.CheckValue <TSource1>(values, 0);
MultiValueHelper.CheckValue <TSource2>(values, 1);
if (!targetType.IsAssignableFrom(typeof(TTarget)))
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, "", new object[]
{
typeof(TTarget).FullName
}));
}
return(this.Convert((TSource1)((object)values[0]), (TSource2)((object)values[1]), parameter, culture));
}