private void Remap(object sender, MouseEventArgs e)
        {
            SplitButton c = sender as SplitButton;

            switch (e.Button)
            {
            case MouseButtons.Left:
                c.Text        = "...";
                curAssignment = c;
                break;

            case MouseButtons.Middle:
                Config.SetValue((string)c.Tag, Config.GetDefaultValue((string)c.Tag));
                GetPrettyName(c);
                break;

            case MouseButtons.Right:
                break;
            }
        }