Code Snippet:
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Net;
  5. using System.Security;
  6. using System.Text;
  7. using System.Threading.Tasks;
  8. using Microsoft.SharePoint.Client;
  10. namespace CSOMOffice365
  11. {
  12. class Program
  13. {
  14. static void Main(string[] args)
  15. {
  17. string userName = "[email protected]";
  19. Console.WriteLine("Enter your password.");
  20. SecureString password = GetPassword();
  22. // ClienContext - Get the context for the SharePoint Online Site
  23. // SharePoint site URL - https://c986.sharepoint.com
  25. using (var clientContext = new ClientContext("https://c986.sharepoint.com"))
  26. {
  27. // SharePoint Online Credentials
  28. clientContext.Credentials = new SharePointOnlineCredentials(userName, password);
  30. // Get the SharePoint web
  31. Web web = clientContext.Web;
  33. // Regional Settings: Change the calendar type and alternate calendar type
  34. // Reference: https://msdn.microsoft.com/en-us/library/microsoft.sharepoint.client.regionalsettings.calendartype.aspx
  35. RegionalSettings regSet = web.RegionalSettings;
  37. // Change the calendar type to 5 - Korean Tangun Era
  38. regSet.CalendarType = 5;
  39. regSet.AlternateCalendarType = 5;
  41. // Update the regional settings
  42. regSet.Update();
  43. clientContext.Load(regSet);
  45. // Execute the query to the server
  46. clientContext.ExecuteQuery();
  48. // Display the updated calendar type
  49. Console.WriteLine("Calendar Type: " + regSet.CalendarType + "; Alernate Calendar Type: " + regSet.AlternateCalendarType);
  50. Console.ReadLine();
  51. }
  52. }
  54. private static SecureString GetPassword()
  55. {
  56. ConsoleKeyInfo info;
  58. //Get the user's password as a SecureString
  59. SecureString securePassword = new SecureString();
  60. do
  61. {
  62. info = Console.ReadKey(true);
  63. if (info.Key != ConsoleKey.Enter)
  64. {
  65. securePassword.AppendChar(info.KeyChar);
  66. }
  67. }
  68. while (info.Key != ConsoleKey.Enter);
  69. return securePassword;
  70. }
  71. }
  72. }
Result