TdxDocumentModelChangeAction = (
    Redraw,
    ResetPrimaryLayout,
    ResetAllPrimaryLayout,
    ResetSecondaryLayout,
    ResetSelectionLayout,
    ResetCaretInputPositionFormatting,
    RaiseSelectionChanged,
    RaiseContentChanged,
    ScrollToBeginOfDocument,
    RaiseEmptyDocumentCreated,
    RaiseDocumentLoaded,
    RaiseModifiedChanged,
    ResetUncheckedIntervals,
    ResetIgnoredList,
    ForceResize,
    ValidateSelectionInterval,
    PerformActionsOnIdle,
    SplitRunByCharset,
    ResetRuler,
    SuppressBindingsNotifications,
    ActivePieceTableChanged,
    RaiseDocumentProtectionChanged,
    ForceResetHorizontalRuler,
    ForceResetVerticalRuler,
    ForceSyntaxHighlight,
    ApplyAutoCorrect,
    SuppressRaiseContentChangedCalculationByCurrentTransactionChanges,
    Fields
);