Adobe® Flex® 4 Language Reference
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flashx.undo 
IOperation 
Packageflashx.undo
Interfacepublic interface IOperation
Implementors FlowOperation

Language Version: ActionScript 3.0
Runtime Versions: Flash Player 10, AIR 1.5

IOperation defines the interface for operations that can be undone and redone.



Public Methods
 MethodDefined By
  
Reperforms the operation.
IOperation
  
Reverses the operation.
IOperation
Method Detail

performRedo

()method
public function performRedo():void

Language Version: ActionScript 3.0
Runtime Versions: Flash Player 10, AIR 1.5

Reperforms the operation.

The operation is also responsible for pushing itself onto the undo stack.

performUndo

()method 
public function performUndo():void

Language Version: ActionScript 3.0
Runtime Versions: Flash Player 10, AIR 1.5

Reverses the operation.

The operation is also responsible for pushing itself onto the redo stack.