Theme "Pencil" show lines incorrectly in Visio Dear sir, I use theme Pencil for my diagram. However, after saving file .vsdx and open in Visio, it look incorrect as attached file. Lines are not "ha......Diagram(); Page page = new Page(); diagram.Pages.Add(page); diagram...diagram.Pages[0].PresetTheme = PresetThemeValue.Pencil; diagram.Pages[0]...