How to get WebsCount and other details from SharePoint online using Tenant Administration API

Microsoft.SharePoint.Client.dll

Microsoft.SharePoint.Client.Runtime.dll

Microsoft.Online.SharePoint.Client.Tenant.dll

//Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.SharePoint.Client;
using Microsoft.Online.SharePoint.TenantAdministration;
using System.Security;

namespace GetWebCountsSPO
{
    class Program
    {
        static void Main(string[] args)
        {
            GetListOfSiteCollections();
            Console.ReadLine();
        }

        private static void GetListOfSiteCollections()
        {
            string SPOAdminSiteUrl = "https://tenantadmin.sharepoint.com";
            string SPAdminUserName = "tenant-admin@domain.onmicrosoft.com";
            string SPAdminPassword = "password";

            try
            {
                using (ClientContext context = new ClientContext(SPOAdminSiteUrl))
                {
                    context.Credentials = AuthenticateMySPO(SPAdminUserName, SPAdminPassword);
                    Tenant mytenant = new Tenant(context);

                    var allsiteProps = mytenant.GetSiteProperties(0, true);
                    context.Load(allsiteProps, aprop => aprop.Include(a => a.Url));
                    context.ExecuteQuery();

                    foreach (var s in allsiteProps)
                    {
                        //this is needed now, earlier WebsCount can be queried via Tenant.GetSiteProperties
                        var sprops = mytenant.GetSitePropertiesByUrl(s.Url, true);
                        context.Load(sprops);
                        context.ExecuteQuery();

                        Console.WriteLine("SiteCollectionURL:" + sprops.Url);
                        Console.WriteLine("WebsCount:" + sprops.WebsCount);
                        Console.WriteLine("StorageUsage:" + sprops.StorageUsage);
                        Console.WriteLine("TimeZoneId:" + sprops.TimeZoneId);
                        Console.WriteLine("LastContentModifiedDate:" + sprops.LastContentModifiedDate);
                    }
                }
           }
           catch (Exception ex)
           {
                Console.WriteLine("Exception:" +ex.message);
           }

           Console.WriteLine("Done.");

        }

        static SharePointOnlineCredentials AuthenticateMySPO(string uname, string pwd)
        {
            var securePassword = new SecureString();
            foreach (char c in pwd)
            {
                securePassword.AppendChar(c);
            }

            var onlineCredentials = new SharePointOnlineCredentials(uname, securePassword);
            return onlineCredentials;
        }
    }
}