method Chart.Redo ()
Redoes the next action in the chart's Redo queue.

TypeDescription
Call the Redo method to Redo the last chart operation. The Redo method have effect only if the AllowUndoRedo property is True. The CTRL+Y redoes the next action in the chart's Redo queue, while the CTRL+Z performs the last undo operation. Call the Undo method to Undo the last chart operation.  The CanUndo property retrieves a value that indicates whether the chart may perform the last Undo operation. The CanRedo property retrieves a value that specifies whether the chart can execute the next operation in the chart's Redo queue. The ChartStartChanging(exUndo/exRedo) / ChartEndChanging(exUndo/exRedo) event notifies your application whenever an Undo/Redo operation is performed. 

The records of the Undo/Redo queue may contain actions in the following format:

The records of the Undo/Redo queue may contain actions in the following format (available starting from 23.0):

Also, the Undo/Redo queue may include:

The RedoListAction property lists the Redo actions that can be performed in the chart. Use the RedoRemoveAction method to remove the first action from the redo queue.