lineNotify.cs

        private void notifyPicture(string url)
        {
            _lineNotify(" ", 0, 0, url);
        }
        private void notifySticker(int stickerID, int stickerPackageID)
        {
            _lineNotify(" ", stickerPackageID, stickerID, "");
        }
        private void lineNotify(string msg)
        {
            _lineNotify(msg, 0, 0, "");
        }
        private void _lineNotify(string msg,int stickerPackageID, int stickerID, string pictureUrl)
        {
            string token = "9IBnp37LVHj0a6W5HLq2dF7sqIjGyEVn2DQtpQq7wYv";
            try
            {
                var request = (HttpWebRequest)WebRequest.Create("https://notify-api.line.me/api/notify");
                
                var postData = string.Format("message={0}", msg);
                if (stickerPackageID>0 && stickerID>0)
                {
                    var stickerPackageId = string.Format("stickerPackageId={0}", stickerPackageID);
                    var stickerId = string.Format("stickerId={0}", stickerID);
                    postData += "&" + stickerPackageId.ToString() + "&" + stickerId.ToString();
                }
                if (pictureUrl != "")
                {
                    var imageThumbnail = string.Format("imageThumbnail={0}", pictureUrl);
                    var imageFullsize = string.Format("imageFullsize={0}", pictureUrl);
                    postData += "&" + imageThumbnail.ToString() + "&" + imageFullsize.ToString();
                }
                var data = Encoding.UTF8.GetBytes(postData);

                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded";
                request.ContentLength = data.Length;
                request.Headers.Add("Authorization", "Bearer "+token);

                using (var stream = request.GetRequestStream())stream.Write(data, 0, data.Length);
                var response = (HttpWebResponse)request.GetResponse();
                var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }