How to properly parse a page. C#?

Question

C++ / C#

In general, there is a site. There is a kind of like there, I want to wind up these same likes there. I use Xpath, Selenium.
I can't figure out exactly how to select that very part of the button with xpath. And which one to choose?

Answer 1

To make requests inside an iframe, you must first find the desired iframe, and then switch inside it using IWebDriver.SwitchTo