NetIde.Project.NiHierarchy.GetProperty C# (CSharp) Méthode

        public HResult GetProperty(int property, out object value)
        {
            value = null;

            try
            {
                switch ((NiHierarchyProperty)property)
                {
                    case NiHierarchyProperty.FirstChild:
                        var first = _children.First;
                        if (first != null)
                        {
                            value = first.Value;
                            return HResult.OK;
                        }
                        return HResult.False;

                    case NiHierarchyProperty.NextSibling:
                        if (_position != null)
                        {
                            var next = _position.Next;
                            if (next != null)
                            {
                                value = next.Value;
                                return HResult.OK;
                            }
                        }
                        return HResult.False;

                    case NiHierarchyProperty.Parent:
                        if (_parent != null)
                        {
                            value = _parent;
                            return HResult.OK;
                        }
                        return HResult.False;

                    case NiHierarchyProperty.SortPriority:
                        if (_sortPriority.HasValue)
                        {
                            value = _sortPriority;
                            return HResult.OK;
                        }
                        return HResult.False;

                    case NiHierarchyProperty.Name:
                        if (_name != null)
                        {
                            value = _name;
                            return HResult.OK;
                        }
                        return HResult.False;

                    case NiHierarchyProperty.ContainingProject:
                        value = GetRoot() as INiProject;
                        return HResult.OK;

                    case NiHierarchyProperty.Root:
                        value = GetRoot();
                        return HResult.OK;

                    default:
                        if (_properties.TryGetValue(property, out value))
                            return HResult.OK;
                        return HResult.False;
                }
            }
            catch (Exception ex)
            {
                return ErrorUtil.GetHResult(ex);
            }
        }