Export Selected Link on a Page in PDF File in .NET Applications

This technical tip allows developers to get selected link on a page 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. It is platform independent REST API & working with web, desktop, mobile or cloud applications alike. Some important steps for performing this task are to build URI to get selected link on a page, Parse the json string to JObject, Deserializes the JSON to an object and the classes used in this process are given in detail.

Sample Code for Get Selected Link on a Page in PDF File

[C# Code]

//build URI to get selected link on a page

            string strURI = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/1/links/1";

            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. 

            PdfLinkResponse pdfLinkResponse = JsonConvert.DeserializeObject<PdfLinkResponse>(parsedJSON.ToString());

            Link tempLink = pdfLinkResponse.Link;

                   //Here is the BaseResponse class

                   public class BaseResponse

                   {

                       public BaseResponse() { }

                       public string Code { get; set; }

                       public string Status { get; set; }

                   }

                   //Here is the PdfLinkResponse class

                   public class PdfLinkResponse : BaseResponse

                   {

                       public PdfLinkResponse() { }

                       public Link Link { 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 Link class

                   public class Link

                   {

                       public Link() { }

                       public LinkActionType ActionType { get; set; }

                       public string Action { get; set; }

                       public LinkHighlightingMode Highlighting { get; set; }

                       public Color Color { get; set; }

                   }

                   //Here is the LinkActionType enum

                   public enum  LinkActionType

                   {

                       GoToAction,

                       GoToURIAction,

                       JavascriptAction,

                       LaunchAction,

                       NamedAction,

                       SubmitFormAction

                   }

                   //Here is the LinkHighlightingMode enum

                   public enum LinkHighlightingMode

                   {

                       None,

                       Invert,

                       Outline,

                       Push,

                       Toggle

                   }

                   //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; }

                   }

[VB.NET Code]

'build URI to get selected link on a page

                    Dim strURI As String = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/1/links/1"
                    Dim signedURI As String = Sign(strURI)
                    Dim responseStream As Stream = ProcessCommand(signedURI, "GET")
                    Dim reader As New StreamReader(responseStream)
                    Dim strJSON As String = reader.ReadToEnd()
                    'Parse the json string to JObject
                    Dim parsedJSON As JObject = JObject.Parse(strJSON)
                    'Deserializes the JSON to a object.
                    Dim pdfLinkResponse As PdfLinkResponse = JsonConvert.DeserializeObject(Of PdfLinkResponse)(parsedJSON.ToString())

           Dim tempLink As Link = pdfLinkResponse.Link

Overview: Saaspose.Pdf

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. A PDF file can also be rendered to JPEG, PNG, GIF, BMP, TIFF and many other image formats. It works with any language like .NET, Java, PHP, Ruby, Python and many others. It is platform independent REST API & working with web, desktop, mobile or cloud applications alike.

More about Saaspose.Pdf

• Homepage of Saaspose.Pdf
• More Technical Tips by Saaspose.Pdf about Working with Documents
• More Technical Tips by Saaspose.Pdf
• Ask technical questions/queries from Saaspose Support Team

Contact Information

Aspose Pty Ltd, Suite 163,
79 Longueville Road
Lane Cove, NSW, 2066
Australia
Saaspose - Your File Format Experts 2.0
sales@aspose.com
Phone: 1.214.329.1520
Fax: 866.810.9465