public static VisitErrorCode TryExecute(object target, PropertyPath propertyName, int index, ref ChangeTracker changeTracker, out int count)
{
var action = new GetCountFromActualTypeCallback(target, propertyName, index, ref changeTracker);
PropertyBagResolver.Resolve(target.GetType()).Cast(ref action);
changeTracker = action.m_ChangeTracker;
count = action.m_Count;
return(action.m_ErrorCode);
}
internal static VisitErrorCode TryGetCountImpl <TContainer>(ref TContainer container, PropertyPath propertyPath, int propertyPathIndex,
ref ChangeTracker changeTracker, out int count)
{
var action = new GetCountAtPathGetter <TContainer>(propertyPath, propertyPathIndex);
if (PropertyBagResolver.Resolve <TContainer>()
.FindProperty(propertyPath[propertyPathIndex].Name, ref container, ref changeTracker, ref action))
{
count = action.Count;
return(action.ErrorCode);
}
if (typeof(TContainer) != container.GetType())
{
return(GetCountFromActualTypeCallback.TryExecute(container, propertyPath, propertyPathIndex, ref changeTracker, out count));
}
count = -1;
return(VisitErrorCode.InvalidPath);
}