LoadApp.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class LoadApp {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                createAndShowGUI();
            }
        });
    }

    private static void createAndShowGUI() {
        JFrame frame = new JFrame("Load To-Do List");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);

        // Set the screenshot as the icon
        ImageIcon icon = new ImageIcon("c:/Users/nelso/moss/screenshot.png");
        frame.setIconImage(icon.getImage());

        JButton openButton = new JButton("Open To-Do List");
        openButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                SwingUtilities.invokeLater(new Runnable() {
                    @Override
                    public void run() {
                        new ToDoListApp();
                    }
                });
            }
        });

        frame.setLayout(new BorderLayout());
        frame.add(openButton, BorderLayout.CENTER);
        frame.setVisible(true);
    }
}