internal static Graphics.Size MeasureText(DrawingContext dc, string text, string fontName, float fontSize, Drawing.Text.FontStyles style) { ResourcePoolManager resManager = dc.Renderer.ResourcePoolManager; var font = resManager.GetFont(fontName, fontSize, ToWFFontStyle(style)); if (font == null) { return(Graphics.Size.Zero); } var g = ResourcePoolManager.CachedGDIGraphics; lock (g) { lock (sf) { var size = ResourcePoolManager.CachedGDIGraphics.MeasureString(text, font, 99999999, sf); size.Width += 2; size.Height += 2; return(size); } } }