Factory Method در مقابل Abstract Factory

abstract class Dialog
{
    public abstract Button CreateButton(); // Factory Method
}
class WindowsDialog : Dialog
{
    public override Button CreateButton() => new WindowsButton();
}

interface IUIFactory
{
    Button CreateButton();
    Checkbox CreateCheckbox();
}
class WindowsUIFactory : IUIFactory
{
    public Button CreateButton() => new WindowsButton();
    public Checkbox CreateCheckbox() => new WindowsCheckbox();
}