System.Data.DataTable.GetPropertyDescriptorCollection C# (CSharp) Method

        internal PropertyDescriptorCollection GetPropertyDescriptorCollection(Attribute[] attributes)
        {
            if (_propertyDescriptorCollectionCache == null)
            {
                int columnsCount = Columns.Count;
                int relationsCount = ChildRelations.Count;
                PropertyDescriptor[] props = new PropertyDescriptor[columnsCount + relationsCount];
                {
                    for (int i = 0; i < columnsCount; i++)
                    {
                        props[i] = new DataColumnPropertyDescriptor(Columns[i]);
                    }
                    for (int i = 0; i < relationsCount; i++)
                    {
                        props[columnsCount + i] = new DataRelationPropertyDescriptor(ChildRelations[i]);
                    }
                }
                _propertyDescriptorCollectionCache = new PropertyDescriptorCollection(props);
            }
            return _propertyDescriptorCollectionCache;
        }

        PropertyDescriptorCollection System.ComponentModel.ITypedList.GetItemProperties(PropertyDescriptor[] listAccessors) {
            DataSet dataSet = DataSet;
            if (dataSet == null)
                throw ExceptionBuilder.CanNotUseDataViewManager();

            if (listAccessors == null || listAccessors.Length == 0) {
                return((ICustomTypeDescriptor)(new DataViewManagerListItemTypeDescriptor(this))).GetProperties();
            }
            else {
                DataTable table = dataSet.FindTable(null, listAccessors, 0);
                if (table != null) {
                    return table.GetPropertyDescriptorCollection(null);
                }
            }
            return new PropertyDescriptorCollection(null);
        }