public override bool LoadFont(Font font) { Debug.Print(String.Format("LoadFont {0}", font.FaceName)); font.RealSize = font.Size * Scale; // we check if this font is already loaded, if so we dispose it first QFont sysQFont = font.RendererData as QFont; if (sysQFont != null) { sysQFont.Dispose(); } // get font style from the name var n = font.FaceName.Split('|'); var style = FontStyle.Regular; if (n.Length == 2) { style = FontStyle.TryParse(n[1], true, out style) == true ? style : FontStyle.Regular; } // now load the font - note this can fail (I think) if the font is not found sysQFont = new QFont(n[0], font.Size, new QFontBuilderConfiguration() { Characters = CharacterSet.General }, style); font.RendererData = sysQFont; return(true); //Debug.Print(String.Format("LoadFont {0}", font.FaceName)); //font.RealSize = font.Size * Scale; //System.Drawing.Font sysFont = font.RendererData as System.Drawing.Font; }