Check out example codes for "open link c#". It will help you in understanding the concepts better.

Code Example 1

System.Diagnostics.Process.Start("http://google.com");

Code Example 2

var uri = "https://www.google.com";
var psi = new System.Diagnostics.ProcessStartInfo();
psi.UseShellExecute = true;
psi.FileName = uri;
System.Diagnostics.Process.Start(psi);

Learn ReactJs, React Native from akashmittal.com