Select Attachment in PDF & Download Selected Attachment Using REST API

				
//**************************************
// Name: Select Attachment in PDF & Download Selected Attachment Using REST API
// Description:This technical tip allows developers to download selected attachment in PDF file using Saaspose.Pdf REST API in your .NET applications. Saaspose.Pdf is a REST API to create, edit & manipulate PDF files. It also convert PDF file to DOC, DOCX, HTML, XPS, TIFF etc. You can create a new PDF either from scratch or from HTML, XML, template, database, XPS or an image.
// By: aspose_seo
//
//This code is copyrighted and has// limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=8829&lngWId=10//for details.//**************************************

//build URI to download selected attachment
Attachment FileInformation = GetAttachment(1);
//build URI to get page count
string strURI = "http://api.saaspose.com/v1.0/pdf/input.pdf/attachments/1/download";
string signedURI = Sign(strURI);
Stream responseStream = ProcessCommand(signedURI, "GET");
using (Stream fileStream = System.IO.File.OpenWrite(outputPath + "\\" + FileInformation.Name))
{
CopyStream(responseStream, fileStream);
}
responseStream.Close();
public Attachment GetAttachment(int attachmentIndex)
{
 //build URI to get page count
string strURI = "http://api.saaspose.com/v1.0/pdf/input.pdf/attachments/" + attachmentIndex;
string signedURI = Sign(strURI);
 Stream responseStream = ProcessCommand(signedURI, "GET");
 StreamReader reader = new StreamReader(responseStream);
 string strJSON = reader.ReadToEnd();
 //Parse the json string to JObject
 JObject parsedJSON = JObject.Parse(strJSON);
 //Deserializes the JSON to a object. 
 AttachmentResponse attachmentResponse = JsonConvert.DeserializeObject<AttachmentResponse>(parsedJSON.ToString());
 return attachmentResponse.Attachment;
}
//Here is the BaseResponse class
public class BaseResponse
{
 public BaseResponse() { }
 public string Code { get; set; }
 public string Status { get; set; }
}
//Here is the AttachmentResponse class
public class AttachmentResponse : BaseResponse
{
public AttachmentResponse() { }
public Attachment Attachment { get; set; }
}
//Here is the LinkResponse class
public class LinkResponse
{
public string Href { get; set; }
public string Rel { get; set; }
public string Title { get; set; }
public string Type { get; set; }
}
//Here is the Attachment class
public class Attachment
{
public Attachment() { }
public Color Color { get; set; }
public string MimeType { get; set; }
public string Name { get; set; }
public string CreationDate { get; set; }
public string ModificationDate { get; set; }
public Int32 Size { get; set; }
}
//Here is the Color class
public class Color
{
public Color() { }
public List<LinkResponse> Links { get; set; }
public int A { get; set; }
public int B { get; set; }
public int G { get; set; }
public int R { get; set; }
}