nature_net.configurations.WalkDrawingForText C# (CSharp) Метод

        private static void WalkDrawingForText(StringBuilder sb, Drawing d)
        {
            var glyphs = d as GlyphRunDrawing;
            if (glyphs != null)
            {
                sb.Append(glyphs.GlyphRun.Characters.ToArray());
            }
            else
            {
                var g = d as DrawingGroup;
                if (g != null)
                {
                    foreach (Drawing child in g.Children)
                    {
                        WalkDrawingForText(sb, child);
                    }
                }
            }
        }