How can I implement undo and redo functionality in my desktop application?

To implement undo and redo functionality, you can follow these steps:

1. Store the state of your application at each action. This could include saving the current values of variables, objects, or any relevant data in your application.
2. Use a data structure like a stack to keep track of these states. A stack follows the Last-In-First-Out (LIFO) principle, which is suitable for maintaining the order of actions for undo and redo functionality.
3. Implement the undo and redo operations. When the undo operation is triggered, you pop the most recent state from the stack and update your application’s state accordingly. This reverts the application to its previous state. Conversely, when the redo operation is triggered, you push the previously undone state back onto the stack and update the application’s state, restoring the action.
4. Update the state of your application accordingly. After performing undo or redo, make sure to reflect the changes in your application’s user interface and logic.

By following these steps, you can provide undo and redo functionality in your desktop application, enabling users to easily revert and redo their actions as needed.