Defines the Undo Redo actions. They are
Sorting - Define the sorting action in undo/redo.ColumnReorder - Define the columnReorder action in undo/redo.ColumnResize - Define the columnResize action in undo/redo.Delete - Define the Delete action in undo/redo.Edit - Define the Edit action in undo/redo.Add - Define the Add action in undo/redo.Search - Define the search action in undo/redo.Filtering - Define the Filtering action in undo/redo.ZoomIn - Define the ZoomIn action in undo/redo.ZoomOut - Define the ZoomOut action in undo/redo.ZoomToFit - Define the ZoomToFit action in undo/redo.ColumnState - Define the ColumnState action in undo/redo.PreviousTimeSpan - Define the PreviousTimeSpan action in undo/redo.NextTimeSpan - Define the NextTimeSpan action in undo/redo.Indent - Define the Indent action in undo/redo.Outdent - Define the Outdent action in undo/redo.RowDragAndDrop - Define the RowDragAndDrop action in undo/redo.TaskbarDragAndDrop - Define the TaskbarDragAndDrop action in undo/redo.