Find word counts in document file.

Question

Hi,

   I want to find the Word Count from the Word document. that may be the .doc / .docx / .rtf format. the word may contain more pages. i reffered many post. every one said that's not possible to find the correct count. that must be differ.  

   

   i want to know how to use Microsoft.Office.Interop.Word to get the count. or is there any other way to find the obsolute count.

 

Thanks in Advance.