Add - Creates a new Task
Edit - Modify the currently selected task. This button will be enabled when a single task is selected.
Delete - Deletes the currently selected task(s).
Complete - Marks the currently selected task(s) as complete. Can also change completed tasks to incomplete with this command.
Up - Increases the priority of the selected task(s).
Down - Decreases the priority of the selected task(s).
Find - Search for a task.
Hide - Hides the main window to the system tray, but leaves the program running.