Manina.Windows.Forms.ImageListViewLayoutManager.CheckScrollBars C# (CSharp) Метод

        private bool CheckScrollBars()
        {
            // Horizontal scroll bar
            bool hScrollRequired = false;
            bool hScrollChanged = false;
            if (mImageListView.ScrollBars)
                hScrollRequired = (mImageListView.Items.Count > 0) && (mItemAreaBounds.Width < totalWidth);

            if (hScrollRequired != hScrollVisible)
            {
                hScrollVisible = hScrollRequired;
                mImageListView.hScrollBar.Visible = hScrollRequired;
                hScrollChanged = true;
            }

            // Vertical scroll bar
            bool vScrollRequired = false;
            bool vScrollChanged = false;
            if (mImageListView.ScrollBars)
                vScrollRequired = (mImageListView.Items.Count > 0) && (mItemAreaBounds.Height < totalHeight);

            if (vScrollRequired != vScrollVisible)
            {
                vScrollVisible = vScrollRequired;
                mImageListView.vScrollBar.Visible = vScrollRequired;
                vScrollChanged = true;
            }

            // Determine if the layout needs to be recalculated
            return (hScrollChanged || vScrollChanged);
        }