The following tables list the members exposed by ActionHistory.ActionBase.
| Name | Description | |
|---|---|---|
|  | CanPerform | Returns true if this action can be performed. Note that even if this method returns true, the Perform could fail. | 
|  | Perform | Performs the action. If successful in performing the action then returns an action that can undo the action performed by this action. If failure occurs then returns null. |