DataColumnCollection_deferredDataLoader Field

This object can have three states: if it is a IProjectArchiveEntryMemento, then this indicates that data have to be loaded using this memento. If some other object, this indicates that the loading of data is currently in progress. If null, the data have been loaded. In this case, the archive memento is stored in another field (see _archiveMemento ).

protected Object? _deferredDataLoader