System > System Assembly Interfaces > IUndoRedo > IUndoRedo.UndoState
UndoState(Index: Integer): IUndoRedoState;
Index. State index in Undo/Redo stack.
The UndoState property returns undo stack action state that is sent by means of an input parameter.
The example of use is given in description of the IUndoRedo.Enabled property.
See also: