Program.cs
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | using System; using System.IO; using System.Net; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const String API_KEY = "***********************************" ; // Source PDF file const string SourceFileUrl = @"https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/pdf-to-image/sample.pdf" ; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const string Pages = "" ; // PDF document password. Leave empty for unprotected documents. const string Password = "" ; 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); try { // Prepare URL for `PDF To JPEG` API call string query = Uri.EscapeUriString( string .Format( Password, Pages, SourceFileUrl)); // Execute request string response = webClient.DownloadString(query); // Parse JSON response JObject json = JObject.Parse(response); if (json[ "error" ].ToObject< bool >() == false ) { // Download generated JPEG files int page = 1; foreach (JToken token in json[ "urls" ]) { string resultFileUrl = token.ToString(); string localFileName = String.Format( @".\page{0}.jpg" , page); webClient.DownloadFile(resultFileUrl, localFileName); Console.WriteLine( "Downloaded \"{0}\"." , localFileName); page++; } } else { Console.WriteLine(json[ "message" ].ToString()); } } catch (WebException e) { Console.WriteLine(e.ToString()); } webClient.Dispose(); Console.WriteLine(); Console.WriteLine( "Press any key..." ); Console.ReadKey(); } } } |
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