How to get the current page number of a pdf loaded in a form

Question

Dear c# developer, How to get the current page number of a pdf loaded in a forms application. similar to what we get in the toolbar of adobe pdf reader.. I got the total number of pages but stuck in current page number...like 1/100, 2/100, 3/100... which describes I am in 1st page ,2nd page , 3rd page  respectively while scrolling...