public static void FontGlyphComparision2(IVisio.Document doc, string[] fontnames, List <string> samplechars)
        {
            double w  = 2.0;
            double h  = 1;
            double th = 1;

            int chunksize = 12;
            var chunks    = LinqUtil.Split(samplechars, chunksize);

            foreach (var chunk in chunks)
            {
                var domshapescol = new VAM.Dom.ShapeList();

                for (int j = 0; j < fontnames.Length; j++)
                {
                    string fontname = fontnames[j];
                    double x0       = j * w;

                    var r  = new VA.Geometry.Rectangle(x0, 0 - th, x0 + w, 0);
                    var n1 = domshapescol.Drop("Rectangle", "basic_u.vss", r);
                    n1.Text = new VAM.Text.Element(fontname.ToUpper());
                    n1.Cells.FillForeground = "rgb(255,255,255)";
                    n1.Cells.LineWeight     = 0.0;
                    n1.Cells.LinePattern    = 0;
                    n1.Cells.CharSize       = "16pt";
                }


                for (int j = 0; j < fontnames.Length; j++)
                {
                    for (int i = 0; i < chunksize; i++)
                    {
                        double x0 = j * w;
                        double y0 = i * h * -1 - th - h;

                        var r  = new VA.Geometry.Rectangle(x0, y0, x0 + w, y0 + h);
                        var n1 = domshapescol.Drop("Rectangle", "basic_u.vss", r);
                        if (i < chunk.Count)
                        {
                            n1.Text = new VAM.Text.Element(chunk[i]);
                        }
                        n1.CharFontName         = fontnames[j];
                        n1.Cells.CharSize       = "36pt";
                        n1.Cells.FillForeground = "rgb(255,255,255)";
                        n1.Cells.LineWeight     = 0.0;
                        n1.Cells.LinePattern    = 0;
                    }
                }

                var page = doc.Pages.Add();
                domshapescol.Render(page);

                var bordersize = new VA.Geometry.Size(0.5, 0.5);
                page.ResizeToFitContents(bordersize);
            }
        }
        public static void FontGlyphComparision3(IVisio.Document doc, string[] fontnames, List <string> samplechars)
        {
            var colors = new[] { "rgb(0,0,255)", "rgb(255,0,0)" };

            double w = 2.0;
            double h = 1;

            int chunksize = 12;
            var chunks    = LinqUtil.Split(samplechars, chunksize);


            foreach (var chunk in chunks)
            {
                var domshapescol = new VAM.Dom.ShapeList();

                for (int j = 0; j < fontnames.Length; j++)
                {
                    for (int i = 0; i < chunksize; i++)
                    {
                        double x0 = 0;
                        double y0 = i * h * -1;

                        var r  = new VA.Geometry.Rectangle(x0, y0, x0 + w, y0 + h);
                        var n1 = domshapescol.Drop("Rectangle", "basic_u.vss", r);
                        if (i < chunk.Count)
                        {
                            n1.Text = new VAM.Text.Element(chunk[i]);
                            n1.Text.CharacterFormatting.Color = colors[j];
                        }
                        n1.CharFontName = fontnames[j];

                        //n1.Cells.CharColor = "=RGB(255,0,0)";// colors[j];
                        n1.Cells.CharTransparency = 0.7;
                        n1.Cells.CharSize         = "36pt";
                        n1.Cells.FillPattern      = 0;
                        n1.Cells.LineWeight       = 0.0;
                        n1.Cells.LinePattern      = 0;
                    }
                }

                var page = doc.Pages.Add();

                domshapescol.Render(page);

                var bordersize = new VA.Geometry.Size(0.5, 0.5);
                page.ResizeToFitContents(bordersize);
            }
        }
        public static void FontGlyphComparision(IVisio.Document doc, string[] fontnames, List <string> samplechars)
        {
            var layout = new VAM.Layouts.Box.BoxLayout();

            var root = new VAM.Layouts.Box.Container(VAM.Layouts.Box.Direction.TopToBottom);

            layout.Root       = root;
            root.ChildSpacing = 0.5;

            var nodedata = new NodeData();

            nodedata.Render = false;
            root.Data       = nodedata;

            var fontname_cells = new VAM.Dom.ShapeCells();

            fontname_cells.FillPattern         = 0;
            fontname_cells.LinePattern         = 0;
            fontname_cells.LineWeight          = 0.0;
            fontname_cells.ParaHorizontalAlign = 0;
            fontname_cells.CharSize            = "36pt";

            var charbox_cells = new VAM.Dom.ShapeCells();

            charbox_cells.FillPattern         = 0;
            charbox_cells.LinePattern         = 1;
            charbox_cells.LineWeight          = 0.0;
            charbox_cells.LineColor           = "rgb(150,150,150)";
            charbox_cells.ParaHorizontalAlign = 1;
            charbox_cells.CharSize            = "24pt";

            foreach (string fontname in fontnames)
            {
                var fontname_box      = root.AddNodeEx(5, 0.5, fontname);
                var fontname_box_data = (NodeData)fontname_box.Data;
                fontname_box_data.Cells = fontname_cells;

                var font_box = root.AddContainer(VAM.Layouts.Box.Direction.TopToBottom);
                font_box.ChildSpacing = 0.25;
                var font_vox_data = (NodeData)font_box.Data;
                if (font_vox_data != null)
                {
                    font_vox_data.Render = false;
                }

                int numcols  = 17;
                int numrows  = 5;
                int numcells = numcols * numrows;


                foreach (int row in Enumerable.Range(0, numrows))
                {
                    var row_box = font_box.AddContainer(VAM.Layouts.Box.Direction.LeftToRight);
                    row_box.ChildSpacing = 0.25;
                    var row_box_data = new NodeData();
                    row_box_data.Render = false;

                    row_box.Data = row_box_data;

                    foreach (int col in Enumerable.Range(0, numcols))
                    {
                        int    charindex     = (col + (numcols * row)) % numcells;
                        string curchar       = samplechars[charindex];
                        var    cell_box      = row_box.AddNodeEx(0.50, 0.50, curchar);
                        var    cell_box_data = (NodeData)cell_box.Data;
                        cell_box_data.Font  = fontname;
                        cell_box_data.Cells = charbox_cells;
                    }
                }
            }

            layout.PerformLayout();

            var page = doc.Pages.Add();

            var domshapescol = new VAM.Dom.ShapeList();

            foreach (var node in layout.Nodes)
            {
                if (node.Data == null)
                {
                    continue;
                }
                var node_data = (NodeData)node.Data;

                if (node_data.Render == false)
                {
                    continue;
                }

                var shape_node = domshapescol.Drop("Rectangle", "basic_u.vss", node.Rectangle);

                var cells = node_data.Cells;
                if (cells == null)
                {
                    cells = new VAM.Dom.ShapeCells();
                }
                else
                {
                    cells = node_data.Cells.ShallowCopy();
                }

                if (node_data.Font != null)
                {
                    shape_node.CharFontName = node_data.Font;
                }

                shape_node.Cells = cells;
                shape_node.Text  = new VAM.Text.Element(node_data.Text);
            }

            domshapescol.Render(page);

            var bordersize = new VA.Geometry.Size(0.5, 0.5);

            page.ResizeToFitContents(bordersize);
        }