WPF Measure String

MeasureString

private static double GetStringWidth(string text, Control control)
        {
            Typeface typeface = new Typeface(control.FontFamily, control.FontStyle, control.FontWeight, control.FontStretch);

            GlyphTypeface glyphTypeface;
            if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
                throw new InvalidOperationException("No glyph typeface found");

            double size = control.FontSize;

            ushort[] glyphIndexes = new ushort[text.Length];
            double[] advanceWidths = new double[text.Length];

            double totalWidth = 0;

            for (int n = 0; n < text.Length; n++)
            {
                ushort glyphIndex = glyphTypeface.CharacterToGlyphMap[text[n]];
                glyphIndexes[n] = glyphIndex;

                double width = glyphTypeface.AdvanceWidths[glyphIndex] * size;
                advanceWidths[n] = width;

                totalWidth += width;
            }

            return totalWidth;
        }