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

        internal void UpdatePropertyDescriptorCollectionCache()
        {
            _propertyDescriptorCollectionCache = null;
        }

 internal void OnRelationPropertyChanged(CollectionChangeEventArgs ccevent)
 {
     if (!_fParentCollection)
     {
         _table.UpdatePropertyDescriptorCollectionCache();
     }
     RelationPropertyChanged?.Invoke(this, ccevent);
 }