Convert Word document to PDF, C# example

using (var client = new WebClient())
            {

                Console.WriteLine("Please choose a Word document to convert to PDF. All conversion will be done at http://www.convertapi.com server!");

                var openFileDialog = new OpenFileDialog { Filter = "Word document(*.doc;*.docx)|*.doc;*.docx"};
                if (openFileDialog.ShowDialog()!=DialogResult.OK) return;
                var fileToConvert = openFileDialog.FileName;
                Console.WriteLine("Converting the file {0} Please wait.", fileToConvert);

                var data = new NameValueCollection();
                data.Add("OutputFormat","jpg");
                data.Add("OutputFileName", "MyFile"); //Optional

                //!!!MANDATORY!!!
                data.Add("ApiKey", "YourApiKey"); //API Key must be set if you purchased membership with credits. Please login to your control panel to find out your API Key http://www.convertapi.com/prices

                try
                {
                    client.QueryString.Add(data);
                    var response = client.UploadFile("http://do.convertapi.com/word2pdf", fileToConvert);
                    var responseHeaders = client.ResponseHeaders;
                    var path = Path.Combine(@"C:\", responseHeaders["OutputFileName"]);
                    File.WriteAllBytes(path, response);
                    Console.WriteLine("The conversion was successful! The word file {0} converted to PDF and saved at {1}", fileToConvert, path);
                }
                catch (WebException e)
                {
                    Console.WriteLine("Exception Message :" + e.Message);
                    if (e.Status == WebExceptionStatus.ProtocolError)
                    {
                        Console.WriteLine("Status Code : {0}", ((HttpWebResponse)e.Response).StatusCode);
                        Console.WriteLine("Status Description : {0}", ((HttpWebResponse)e.Response).StatusDescription);
                    }

                }


            }