public override DecodedObject <object> decodeChoice(DecodedObject <object> decodedTag, Type objectClass, ElementInfo elementInfo, Stream stream)
{
object choice = createInstanceForElement(objectClass, elementInfo);
skipAlignedBits(stream);
PropertyInfo[] fields = elementInfo.getProperties(objectClass);
int elementIndex = (int)decodeConstraintNumber(1, fields.Length, (BitArrayInputStream)stream);
DecodedObject <object> val = null;
for (int i = 0; i < elementIndex && i < fields.Length; i++)
{
if (i + 1 == elementIndex)
{
PropertyInfo field = fields[i];
ElementInfo info = new ElementInfo();
info.AnnotatedClass = field;
if (elementInfo.hasPreparedInfo())
{
info.PreparedInfo = elementInfo.PreparedInfo.getPropertyMetadata(i);
}
else
{
info.ASN1ElementInfo = CoderUtils.getAttribute <ASN1Element>(field);
}
val = decodeClassType(decodedTag, field.PropertyType, info, stream);
if (val != null)
{
invokeSelectMethodForField(field, choice, val.Value, info);
}
break;
}
;
}
if (val == null && !CoderUtils.isOptional(elementInfo))
{
throw new ArgumentException("The choice '" + objectClass + "' does not have a selected item!");
}
else
{
return(new DecodedObject <object>(choice));
}
}