VkNet.Categories.MessagesCategory.EditChat C# (CSharp) Méthode

        public bool EditChat(long chatId, [NotNull] string title)
        {
            if (string.IsNullOrEmpty(title))
            {
                throw new ArgumentException("Title can not be empty or null.", "title");
            }

            var parameters = new VkParameters
            {
                { "chat_id", chatId },
                { "title", title }
            };

            return _vk.Call("messages.editChat", parameters);
        }

 public void EditChat_AccessTokenInvalid_ThrowAccessTokenInvalidException()
 {
     var cat = new MessagesCategory(new VkApi());
     cat.EditChat(2, "new title");
 }