ZForge.Controls.TreeViewAdv.Tree.TreeViewAdv.UpdateVScrollBar C# (CSharp) Method

        private void UpdateVScrollBar()
        {
            _vScrollBar.Maximum = Math.Max(RowCount - 1, 0);
            _vScrollBar.LargeChange = _rowLayout.PageRowCount;
            _vScrollBar.Visible = (RowCount > 0) && (_vScrollBar.LargeChange <= _vScrollBar.Maximum);
            _vScrollBar.Value = Math.Min(_vScrollBar.Value, _vScrollBar.Maximum - _vScrollBar.LargeChange + 1);
        }