Simple Todo List for PC

This is an app to manage your to-dos.

characteristic
- It's not complicated.
- It is listed and can be viewed at a glance.
- You can check what you have done and what you need to do.
- All functions other than work management have been excluded.

Button Description
- ADD: An input window to register a new to-do will be displayed.
- SAVE: Saves the entered to-do.
- CLOSE: The input window is closed.
- DONE: A line is displayed in the middle of the text. (This indicates that the to-do task has been completed and cannot be deleted from the list.)
- DEL: Deletes a to-do from the list. (Displayed when a completed to-do is selected. When clicked, it is completely deleted from the list.)

How to use
1. New registration using ADD number.
2. When registering, only the SAVE and CLOSE buttons are displayed.
3. When you select a list of tasks that have been completed, DONE, SAVE, and CLOSE buttons will be displayed.
4. When you complete a task, click the DONE button to mark it as completed (a horizontal line will appear across the text).
5. When you re-select a completed task, DEL, SAVE, and CLOSE buttons will appear.
6. Click the DEL button to delete completed tasks from the list.