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

        private void DrawDropMark(Graphics gr)
        {
            if (_dropPosition.Position == NodePosition.Inside)
                return;

            Rectangle rect = GetNodeBounds(_dropPosition.Node);
            int right = DisplayRectangle.Right - LeftMargin + OffsetX;
            int y = rect.Y;
            if (_dropPosition.Position == NodePosition.After)
                y = rect.Bottom;
            gr.DrawLine(_markPen, rect.X, y, right, y);
        }