internal DataItemPropertyDescriptorBase CreatePropertyDescriptor(PropertyDescriptor source)
{
if (!DataItemPropertyDescriptorFactory.IsReflected(source))
{
return(null);
}
var componentType = source.ComponentType;
PropertyInfo propertyInfo;
try
{
propertyInfo = componentType.GetProperty(source.Name, BindingFlags.Public | BindingFlags.Instance);
if ((propertyInfo == null) || DataItemPropertyDescriptorFactory.IsIndexed(propertyInfo))
{
return(null);
}
}
catch (AmbiguousMatchException)
{
return(null);
}
var propertyType = propertyInfo.PropertyType;
Debug.Assert(propertyType == source.PropertyType);
var creatorHelper = DelegateCreatorHelperFactory.CreateHelper(componentType, propertyType);
var getter = DataItemPropertyDescriptorFactory.CreateGetter(propertyInfo, creatorHelper);
if (getter == null)
{
return(null);
}
var setter = DataItemPropertyDescriptorFactory.CreateSetter(propertyInfo, creatorHelper);
var resetter = DataItemPropertyDescriptorFactory.CreateResetter(componentType, propertyInfo, creatorHelper);
var propertyChangedEvent = this.GetPropertyChangedEvent(propertyInfo.Name);
if (propertyChangedEvent != null)
{
return(new ValueChangeDataItemPropertyDescriptor(m_typeDescriptor, source, componentType, propertyType, getter, setter, resetter, propertyChangedEvent));
}
return(new DataItemPropertyDescriptor(m_typeDescriptor, source, componentType, propertyType, getter, setter, resetter));
}
internal DataItemEventDescriptorBase CreateEventDescriptor(EventDescriptor source)
{
if (!DataItemEventDescriptorFactory.IsReflected(source))
{
return(null);
}
var componentType = source.ComponentType;
EventInfo eventInfo;
try
{
eventInfo = componentType.GetEvent(source.Name, BindingFlags.Public | BindingFlags.Instance);
if (eventInfo == null)
{
return(null);
}
}
catch (AmbiguousMatchException)
{
return(null);
}
var handlerType = eventInfo.EventHandlerType;
Debug.Assert(handlerType == source.EventType);
var creatorHelper = DelegateCreatorHelperFactory.CreateHelper(componentType, handlerType);
var addHandler = DataItemEventDescriptorFactory.CreateAddHandler(eventInfo, creatorHelper);
if (addHandler == null)
{
return(null);
}
var removeHandler = DataItemEventDescriptorFactory.CreateRemoveHandler(eventInfo, creatorHelper);
if (removeHandler == null)
{
return(null);
}
return(new DataItemEventDescriptor(m_typeDescriptor, source, componentType, handlerType, addHandler, removeHandler));
}