// Method(Private)

        #region SetPostInformation() - 게시할 정보를 구합니다.
        /// <summary>
        /// 게시할 정보를 구합니다.
        /// </summary>
        private PostInformation GetPostInformation()
        {
            PostInformation model = new PostInformation();

            model.AccessToken = this.accessTokenTextBox.Text.Trim();
            model.Header      = "Bearer " + model.AccessToken;
            model.ApiURL      = "https://openapi.naver.com/blog/writePost.json";
            model.Title       = this.titleTextBox.Text.Trim();
            model.Category    = this.categoryTextBox.Text.Trim();
            model.Contents    = this.contentsRichTextBox.Text.Trim();
            model.Tag         = this.tagTextBox.Text.Trim();

            return(model);
        }
        /// <summary>
        /// 요청을 생성합니다.
        /// </summary>
        private HttpWebRequest CreateRequest()
        {
            PostInformation model = GetPostInformation();

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(model.ApiURL);

            request.Headers.Add("X-Naver-Client-Id", clientID);
            request.Headers.Add("X-Naver-Client-Secret", clientSecret);
            request.Headers.Add("Authorization", model.Header);

            request.Method = "POST";

            byte[] byteDataParams = Encoding.UTF8.GetBytes($"title={model.Title}&contents={model.Contents}");

            request.ContentType   = "application/x-www-form-urlencoded";
            request.ContentLength = byteDataParams.Length;

            Stream stream = request.GetRequestStream();

            stream.Write(byteDataParams, 0, byteDataParams.Length);
            stream.Close();

            return(request);
        }