private void InsertEraseAllCellsOperation(CellOperationArgs args) => AddOperationToUndoStack( new EraseAllCells(TransactionId, args.CellController, args.ColorDictionary));
private void InsertEraseCellOperation(CellOperationArgs args) => AddOperationToUndoStack( new EraseCell(TransactionId, args.CellController, args.CellId, args.PreviousColor));