I have a PDF file which contains just 1 Page. I have a barcode at the end of the page. 
How do I extract the barcode number from the PDF in C#

I have seen a post to convert barcode Image to Code 39 but how do we do it from PDF, Please help
[barcode image to Code39 conversion in C#?](https://stackoverflow.com/questions/204008/barcode-image-to-code39-conversion-in-c#204084)

Thanks