Handle GUI Keyboard and Mouse events

    public partial class FormMain : Form
    {
        private EventWrapper<KeyPressEventHandler> keyPressOn_PushButton;
        private EventWrapper<MouseEventHandler> clicksOn_PushButton;

        public FormMain()
        {
            InitializeComponent();
            OtherStuff();
        }

        private void OtherStuff()
        {
            var clicksOn_textBoxForLog = new MouseClickEventWrapper(textBoxForLog)
                .AddHandler((sender, args) => textBoxForLog
                    .AppendText("clicksOn_textBoxForLog: " + args.Button.ToString() + "\n"));

            keyPressOn_PushButton = new KeyPressEventWrapper(buttonPush)
                .AddHandler((sender, args) => textBoxForLog
                    .AppendText("keyPressOn_PushButton: " + args.KeyChar.ToString() + "\n"));

            clicksOn_PushButton = new MouseClickEventWrapper(buttonPush)
                .AddHandler((sender, args) => textBoxForLog
                    .AppendText("clicksOn_PushButton1: " + args.Clicks.ToString() + "\n"))
                .AddHandler((sender, args) => textBoxForLog
                    .AppendText("clicksOn_PushButton2: " + args.Button.ToString() + "\n")); ;
        }

        private void buttonRemove_Click(object sender, EventArgs e)
        {
            keyPressOn_PushButton.RemoveAllHandlers();
            clicksOn_PushButton.RemoveAllHandlers();
        }
    }


    public abstract class EventWrapper<THandler>
    {
        protected readonly Control Control;

        protected readonly List<THandler> Handlers = new List<THandler>();

        protected EventWrapper(Control control)
        {
            Control = control;
        }

        public EventWrapper<THandler> AddHandler(THandler handler)
        {
            AddTheHandler(handler);
            Handlers.Add(handler);
            return this;
        }

        public void RemoveAllHandlers()
        {
            foreach (var handler in Handlers)
            {
                RemoveHandler(handler);
            }
        }

        protected abstract void AddTheHandler(THandler handler);

        protected abstract void RemoveHandler(THandler handler);
    }



    public class KeyPressEventWrapper
        : EventWrapper<KeyPressEventHandler>
    {
        public KeyPressEventWrapper(Control control)
            : base(control)
        {
        }

        protected override void AddTheHandler(KeyPressEventHandler handler)
        {
            Control.KeyPress += handler;
        }

        protected override void RemoveHandler(KeyPressEventHandler handler)
        {
            Control.KeyPress -= handler;
        }
    }

    public class MouseClickEventWrapper
        : EventWrapper<MouseEventHandler>
    {
        public MouseClickEventWrapper(Control control)
            : base(control)
        {
        }

        protected override void AddTheHandler(MouseEventHandler handler)
        {
            Control.MouseClick += handler;
        }

        protected override void RemoveHandler(MouseEventHandler handler)
        {
            Control.MouseClick -= handler;
        }
    }