enum CellState { kCellStateNone = 0x00, kCellStateContentLocked = 0x01, kCellStateContentReadOnly = 0x02, kCellStateLinked = 0x04, kCellStateContentModifiedAfterUpdate = 0x08, kCellStateFormatLocked = 0x10, kCellStateFormatReadOnly = 0x20, kCellStateFormatModifiedAfterUpdate = 0x40, kAllCellStates = (kCellStateContentLocked | kCellStateContentReadOnly | kCellStateLinked | kCellStateContentModifiedAfterUpdate | kCellStateFormatLocked | kCellStateFormatReadOnly | kCellStateFormatModifiedAfterUpdate) };