Alsing.Windows.Forms.SyntaxBox.EditViewControl.vScroll_Scroll C# (CSharp) Method

        private void vScroll_Scroll(object sender,
                                    ScrollEventArgs e)
        {
            SetMaxHorizontalScroll();
            _InfoTipVisible = false;
            _AutoListVisible = false;

            SetFocus();


            int diff = e.NewValue - vScroll.Value;
            if ((diff == - 1 || diff == 1) && (e.Type ==
                                               ScrollEventType.SmallDecrement || e.Type ==
                                                                                 ScrollEventType.SmallIncrement))
            {
                ScrollScreen(diff);
            }
            else
            {
                Invalidate();
            }
        }