Browser Loading

Question

     Hi, I created simple application that opens the default browser in a computer. I want to know when the browser is finish
    loading the website using C#.  Any help would be very much appreciated. Thank you. This is the code.
           
            System.Diagnostics.Process process = new System.Diagnostics.Process();
            process.StartInfo.FileName = "www.google.com.ph";
            process.Start();