internal void Draw()

in src/XmlNotepad/TreeView.cs [1514:1587]
68 lines of code
19 McCabe index (conditional complexity)

        internal void Draw(Graphics g, Font f, Pen pen, LineStates state, int lineHeight, int indent, int x, int y, ref Size imgSize, Image img, bool selected)
        {
            int startX = x;
            Debug.Assert(this._view != null);
            for (int i = 0; i < state.Depth; i++)
            {
                LineState ls = state[i];
                int x2 = x + (imgSize.Width / 2);
                int x3 = x + indent;
                int y2 = y + lineHeight / 2;
                int y3 = y + lineHeight;

                bool leaf = i + 1 == state.Depth;

                if (leaf)
                {
                    g.DrawLine(pen, x2, y2, x3, y2); // horizontal bar
                }
                if ((ls & LineState.Last) == LineState.Last)
                {
                    if (((ls & LineState.HasParent) == LineState.HasParent ||
                        ((ls & LineState.First) == 0 && (ls & LineState.Last) == LineState.Last)) && leaf)
                    {
                        g.DrawLine(pen, x2, y, x2, y2); // half vertical bar connecting to parent.
                    }
                }
                else if ((ls & LineState.HasParent) == LineState.HasParent || ((ls & LineState.First) == 0))
                {
                    g.DrawLine(pen, x2, y, x2, y3); // full vertical bar
                }
                else if ((ls & LineState.First) == LineState.First)
                { // we know it's also not the last, so
                    g.DrawLine(pen, x2, y2, x2, y3); // half vertical bar connecting to next child.
                }

                x += indent;
            }
            // draw +/- box
            // draw node image.

            int imgWidth = imgSize.Width;
            int imgHeight = imgSize.Height;
            if (img != null)
            {
                int iy = y;
                if (imgHeight < lineHeight)
                {
                    iy += (lineHeight - imgHeight) / 2; // center it
                }
                Rectangle rect = new Rectangle(x, iy, imgWidth, imgHeight);
                g.DrawImage(img, rect);
            }
            string text = this.Label;
            if (text != null && _view != null)
            {
                Brush brush;
                if (selected && _view.IsEditing)
                {
                    return;
                }
                if (selected && _view.Focused)
                {
                    brush = Brushes.HighlightTextBrush(this.ForeColor);
                    g.FillRectangle(SystemBrushes.Highlight, this._labelBounds);
                }
                else
                {
                    brush = new SolidBrush(this.ForeColor);
                }
                Layout(g, f, lineHeight, startX, indent, state.Depth, y, imgSize);
                g.DrawString(text, f, brush, this._labelBounds.Left, this._labelBounds.Top, StringFormat.GenericTypographic);
                brush.Dispose();
            }
        }