PDFsharp & MigraDoc Foundation

PdfWrodWrapper wrapper = new PdfWordWrapper(g, XUnit.FromMillimeter(100));
wrapper.Add("Title", titleFont, XBrushes.Black);
wrapper.Add("Content sdflm sldkf smdlfk smdflk sdmflksdmflk sdlfm", contentFont, XBrushes.Black);
wrapper.Process();
double height = wrapper.Size.Height;
wrapper.Draw(g, XUnit.FromMillimeter(71), itemTop + XUnit.FromMillimeter(0.5), PdfWrodWrapper.Alignment.Left);

while (blockSize.Width > width)
{
    for (int i = value.Length - 1; i > 0; i--)
    {
        string part = value.Substring(0, i);

        blockSize = graphics.MeasureString(part, font);
        blockSize.Height = lineHeight;

        if (blockSize.Width > width)
            continue;

        blocks.Add(new Block(part, BlockType.Text, font, brush, blockSize, descent));

        value = value.Substring(i, value.Length - i);

        // *** This is the bug fix *** variable 'i' needs to get the value of the new length of the shortened string
        i = value.Length + 1;  //  will be decremented by 1 on next iteration

        if (value.Length == 0)
        {
            blockSize = XSize.Empty;
            break;
         }
    }
}