public void Test()
{
TypeAccessor ta = TypeAccessor.GetAccessor(typeof(RootType));
PropertyDescriptorCollection col = ta.CreateExtendedPropertyDescriptors(null, null);
PropertyDescriptor prop = col["Type1+Type2+Name"];
RootType obj = new RootType();
object value = prop.GetValue(obj);
Assert.AreEqual("test", value);
}
public PropertyDescriptorCollection GetItemProperties(
PropertyDescriptor[] listAccessors,
Type objectViewType,
IsNullHandler isNull,
bool cache)
{
PropertyDescriptorCollection pdc = null;
if (listAccessors == null || listAccessors.Length == 0)
{
if (_pdc == null)
{
_pdc = _typeAccessor != null?
_typeAccessor.CreateExtendedPropertyDescriptors(objectViewType, isNull) :
new PropertyDescriptorCollection(null);
}
pdc = _pdc;
if (!cache)
{
_pdc = null;
}
}
else
{
try
{
// Lets try to pick out the item type from the list type.
//
Type itemType = TypeHelper.GetListItemType(
listAccessors[listAccessors.Length - 1].PropertyType);
if (itemType == typeof(object))
{
TypeAccessor parentAccessor = _typeAccessor;
foreach (PropertyDescriptor pd in listAccessors)
{
// We have to create an instance of the list to determine its item type
//
// Create an instance of the parent.
//
object parentObject = parentAccessor.CreateInstanceEx();
// Create an instance of the list.
//
object listObject = pd.GetValue(parentObject);
if (listObject == null)
{
// We failed. Item type can not be determined.
//
itemType = null;
break;
}
itemType = TypeHelper.GetListItemType(listObject);
// Still bad.
//
if (itemType == typeof(object))
{
break;
}
parentAccessor = TypeAccessor.GetAccessor(itemType);
}
}
if (itemType != null && itemType != typeof(object))
{
TypeAccessor ta = TypeAccessor.GetAccessor(itemType);
pdc = ta.CreateExtendedPropertyDescriptors(null, isNull);
}
}
catch
{
}
if (pdc == null)
{
pdc = new PropertyDescriptorCollection(null);
}
}
return(pdc);
}
