The UndoSystem class in the Sandbox.Helpers namespace provides a framework for implementing undo and redo functionality. It manages a history of actions that can be undone or redone, allowing developers to easily integrate this feature into their applications.
| Member Name | Summary |
|---|---|
| Undo | Instigate an undo. Returns true if a successful undo was found. |
| Redo | Instigate a redo. Returns true if a successful redo was found. |
| Insert | Insert a new undo/redo entry with a title and corresponding actions. |
| SetSnapshotFunction | Obsolete. Auto Snapshotting is no longer supported. Use manual snapshots in undo/redo actions. |
| Snapshot | Obsolete. Auto Snapshotting is no longer supported. Use manual snapshots in undo/redo actions. |
| Initialize | Clear the history and take an initial snapshot. Call this after loading or starting a new project. |
| Back | Backwards stack. |
| Forward | Forwards stack, cleared when a new undo is added. |
| OnUndo | Called when an undo is executed. |
| OnRedo | Called when a redo is executed. |