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QR Code With Redundancy Setting | C#
Program.cs:
C#
using System; using System.Collections.Generic; using System.IO; using System.Net; using Newtonsoft.Json; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co const String API_KEY = "************************************"; // Result file name const string ResultFileName = @".\barcode.png"; // Barcode type. See valid barcode types in the documentation https://apidocs.pdf.co/#barcode-generator const string BarcodeType = "QRCode"; // Barcode value const string BarcodeValue = "QR123456\nhttps://pdf.co\nhttps://bytescout.com"; static void Main(string[] args) { // Create standard .NET web client instance WebClient webClient = new WebClient(); // Set API Key webClient.Headers.Add("x-api-key", API_KEY); /* Valid error correction levels: ---------------------------------- Low - [default] Lowest error correction level. (Approx. 7% of codewords can be restored). Medium - Medium error correction level. (Approx. 15% of codewords can be restored). Quarter - Quarter error correction level (Approx. 25% of codewords can be restored). High - Highest error correction level (Approx. 30% of codewords can be restored). */ // Set "Custom Profiles" parameter var Profiles = @"{ ""profiles"": [ { ""profile1"": { ""Options.QRErrorCorrectionLevel"": ""Quarter"" } } ] }"; // Prepare requests params as JSON // See documentation: https://apidocs.pdf.co/#barcode-generator Dictionary<string, string> parameters = new Dictionary<string, string>(); parameters.Add("name", Path.GetFileName(ResultFileName)); parameters.Add("type", BarcodeType); parameters.Add("value", BarcodeValue); parameters.Add("profiles", Profiles); // Convert dictionary of params to JSON string jsonPayload = JsonConvert.SerializeObject(parameters); try { // URL of "Barcode Generator" endpoint string url = "https://api.pdf.co/v1/barcode/generate"; // Execute POST request with JSON payload string response = webClient.UploadString(url, jsonPayload); // Parse JSON response JObject json = JObject.Parse(response); if (json["error"].ToObject<bool>() == false) { // Get URL of generated barcode image file string resultFileURI = json["url"].ToString(); // Download generated image file webClient.DownloadFile(resultFileURI, ResultFileName); Console.WriteLine("Generated barcode saved to \"{0}\" file.", ResultFileName); } else { Console.WriteLine(json["message"].ToString()); } } catch (WebException e) { Console.WriteLine(e.ToString()); } finally { webClient.Dispose(); } Console.WriteLine(); Console.WriteLine("Press any key..."); Console.ReadKey(); } } }