I would really appreciate a guide on how to connect to an already open browser using Selenium Webdriver via C#.
This issue eats around 30% of my script development t
Since time is your primary issue and this is not natively supported. Why adopt an alternative approach. Develop/implement a basic connect & navigate to home page use case. Then extend that class for your more complex use case. Alternatively make Test case controller, then use a factory to instantiate your detailed tests, passing the webdriver instance into the test case.