Please refer to the Introduction to PnP Core Component and OfficeDevPnP.Core for more details. I have created a console application and added SharePointPnPCoreOnline NuGet package for the SharePoint 2016 version.
Code Snippet
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Net;
  5. using System.Text;
  6. using System.Threading.Tasks;
  7. using Microsoft.SharePoint.Client;
  8. using OfficeDevPnP.Core;
  10. namespace SP2016PnPCoreComponentDemo
  11. {
  12. class Program
  13. {
  14. static void Main(string[] args)
  15. {
  16. // Input Parameters
  17. string siteUrl = "http://c7395723754:35298/sites/VijaiDemo";
  18. string userName = "administrator";
  19. string password = "Xy625xjCe5";
  20. string domain = "AD2012";
  21. string contentTypeId = "0x0100FC6F80F7923849FBBF73F0974A2DEB9E";
  22. string contentTypeName = "PnP Content Type";
  24. OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();
  26. try
  27. {
  28. // Get the client context
  29. using (var ctx = authMgr.GetNetworkCredentialAuthenticatedContext(siteUrl, userName, password, domain))
  30. {
  31. // Check if content type exists by Name/Id using CSOM Extension Method
  32. if (ctx.Web.ContentTypeExistsByName(contentTypeName, false) || ctx.Web.ContentTypeExistsById(contentTypeId, false))
  33. {
  34. Console.WriteLine("Content Type Exists");
  35. Console.ReadLine();
  36. }
  37. }
  38. }
  40. catch (Exception ex)
  41. {
  42. Console.WriteLine("Error Message: " + ex.Message);
  43. }
  44. }
  45. }
  46. }