public class InputHandleEvent
{
    private List<Func<bool>> registered_methods;
    public InputHandleEvent(int initial_event_capacity)
    {
        registered_methods = new(initial_event_capacity);
    }
    public void Add(Func<bool> method)
    {
        registered_methods.Add(method);
    }
    public void Remove(Func<bool> method)
    {
        registered_methods.Remove(method);
    }

    public void Invoke()
    {
        for (int i = 0, length = registered_methods.Count; i < length; ++i)
        {
            if (registered_methods[i]())
                return;
        }
    }
}

public class InputHandleEvent
{
    private List<Func<bool>> registered_methods;
    public InputHandleEvent(int initial_event_capacity)
    {
        registered_methods = new(initial_event_capacity);
    }
    public void Add(Func<bool> method)
    {
        registered_methods.Add(method);
    }
    public void Remove(Func<bool> method)
    {
        registered_methods.Remove(method);
    }

    public void Invoke()
    {
        for (int i = 0, length = registered_methods.Count; i < length; ++i)
        {
            if (registered_methods[i]())
                return;
        }
    }
}

    public static event Func<bool>
    onKey,
    onMouseMotion,
    onMouseButton,
    onJoypadMotion,
    onJoypadButton,
    onScreenDrag,
    onScreenTouch;

    public static void SetInputs(InputEvent input)
    {
        foreach (var del in onKey.GetInvocationList())
                {
                    if (del)
                    {

                    }
                }
     }

    public static event Func<bool>
    onKey,
    onMouseMotion,
    onMouseButton,
    onJoypadMotion,
    onJoypadButton,
    onScreenDrag,
    onScreenTouch;

    public static void SetInputs(InputEvent input)
    {
        foreach (var del in onKey.GetInvocationList())
                {
                    if (del)
                    {

                    }
                }
     }