How to launch a link in MS edge beta with code?

System.Diagnostics.Process.Start(@"microsoft-edge:http://www.outlook.com", "http://www.outlook.com");

System.Diagnostics.Process.Start(@"microsoft-edge-beta:http://www.outlook.com", "http://www.outlook.com");

static void Main()
        {
            System.Diagnostics.Process.Start(ChromeAppFileName, "http://www.outlook.com");
        }

        private const string ChromeAppKey = @"\Software\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe";

        private static string ChromeAppFileName
        {
            get
            {
                return (string)(Registry.GetValue("HKEY_LOCAL_MACHINE" + ChromeAppKey, "", null) ??
                                    Registry.GetValue("HKEY_CURRENT_USER" + ChromeAppKey, "", null));
            }
        }