Modification needed in existing program to extract print job details from print spool in C# for all files.

Require to extract print job details from print spool in C# .Net. Print information that needs to extract from print job is like Print Copy Count, Total No. of printed pages, Total no. of pages, etc. All these information needs to be extract for any document like Word, Excel, PDF, TXT or any files. My existing program able to read all information but only for PDF. Needs to make It able to work for all kind of files. Program should be able to extract all these information from print spool before the document gets printed and we should be able to hold or cancel the print if required.