Get All Links on a Page in PDF (.NET REST)

            //build URI to get links
            List<Link> ListLinks = new List<Link>();
            int iTotalLinks = GetLinksCount(pageNumber);
            for (int index = 1; index <= iTotalLinks; index++)
            {
                ListLinks.Add(GetLink(pageNumber,index));
            }

            public int GetLinksCount(int pageNumber)
	    {
                //build URI to get page count
                string strURI = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/" + pageNumber + "/links";
                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. 
                PdfLinksResponse pdfLinksResponse = JsonConvert.DeserializeObject<PdfLinksResponse>(parsedJSON.ToString());
                int count = pdfLinksResponse.Links.List.Count;
                return count;
            }

            public Link GetLink(int pageNumber, int attachmentIndex)
	    {
                //build URI to get page count
                string strURI = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/" + pageNumber + "/links/"+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. 
                PdfLinkResponse pdfLinkResponse = JsonConvert.DeserializeObject<PdfLinkResponse>(parsedJSON.ToString());
                return 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 PdfLinksResponse class
	    public class PdfLinksResponse : BaseResponse
	    {
	        public PdfLinksEnvelop Links { get; set; }
	    }

	    //Here is the PdfLinkResponse class
	    public class PdfLinkResponse : BaseResponse
	    {
	        public PdfLinkResponse() { }
	        public Link Link { get; set; }
	    }

	    //Here is the PdfLinksEnvelop class
	    public  class PdfLinksEnvelop
	    {
	        public List<LinkResponse> Links { get; set; }
	        public List<Link> List { 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; }
	    }

	     'build URI to get links
	     Dim ListLinks As New List(Of Link)()
	     Dim iTotalLinks As Integer = GetLinksCount(pageNumber)
	     For index As Integer = 1 To iTotalLinks
		ListLinks.Add(GetLink(pageNumber, index))
	     Next

	     Public Function GetLinksCount(pageNumber As Integer) As Integer
		'build URI to get page count
		Dim strURI As String = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/" & pageNumber & "/links"
		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 pdfLinksResponse As PdfLinksResponse = JsonConvert.DeserializeObject(Of PdfLinksResponse)(parsedJSON.ToString())
		Dim count As Integer = pdfLinksResponse.Links.List.Count
		Return count
	     End Function

	     Public Function GetLink(pageNumber As Integer, attachmentIndex As Integer) As Link
		'build URI to get page count
		Dim strURI As String = "http://api.saaspose.com/v1.0/pdf/input.pdf/pages/" & pageNumber & "/links/" & attachmentIndex
		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())
		Return pdfLinkResponse.Link
	     End Function