using System.IO;
using System.Net;
using Spire.Pdf;

namespace DownloadPdfFromUrl
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a PdfDocument object
            PdfDocument doc = new PdfDocument();

            //Create a WebClient object
            WebClient webClient = new WebClient();

            //Download data from URL and save as memory stream
            using (MemoryStream ms = new MemoryStream(webClient.DownloadData("https://www.e-iceblue.com/article/toDownload.pdf")))
            {
                //Load the stream
                doc.LoadFromStream(ms);
            }

            //Save to PDF file
            doc.SaveToFile("result.pdf", FileFormat.PDF);
        }
    }
}

Imports System.IO
Imports System.Net
Imports Spire.Pdf

Namespace DownloadPdfFromUrl
    Class Program
        Shared  Sub Main(ByVal args() As String)
            'Create a PdfDocument object
            Dim doc As PdfDocument = New PdfDocument()

            'Create a WebClient object
            Dim webClient As WebClient = New WebClient()

           'Download data from URL and save as memory stream
           Dim pdfData As Byte() = webClient.DownloadData(""https://www.e-iceblue.com/article/toDownload.pdf"")
           Using ms As New MemoryStream(pdfData)
           'Load the stream
           doc.LoadFromStream(ms)
 End Using

 'Save to PDF file
 doc.SaveToFile(""result.pdf"", FileFormat.PDF)
        End Sub
    End Class
End Namespace

import com.spire.xls.*;
import java.io.IOException;

public class replaceTextwithImage {
    public static void main(String[] args) throws IOException {

        //Load the sample Excel document
        Workbook workbook = new Workbook();
        workbook.loadFromFile("Sample.xlsx");
        //Get the first worksheet
        Worksheet worksheet = workbook.getWorksheets().get(0);

        //Find the text string {{Image}}
        CellRange[] ranges = worksheet.findAllString("{{Image}}", false, false);
        for (CellRange range : ranges) {
            //set the text as null
            range.setText("");

            //get the row and column of the searched range
            int row = range.getRow();
            int column = range.getColumn();
            //Add the image to the searched range
            worksheet.getPictures().add(row, column, "logo.jpg", ImageFormatType.Jpeg);

            //Save the document to file
            workbook.saveToFile("replaceTextwithImage.xlsx", ExcelVersion.Version2013);
            }
        }
    }

using Spire.Doc;
using Spire.Doc.Documents;

namespace LinkToBookmark
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Document object
            Document doc = new Document();

            //Add two sections
            Section section1 = doc.AddSection();
            Section section2 = doc.AddSection();

            //Insert a paragraph in section 2 and add a bookmark named "myBookmark" to it
            Paragraph bookmarkParagrapg = section2.AddParagraph();
            bookmarkParagrapg.AppendText("Here is a bookmark");
            BookmarkStart start = bookmarkParagrapg.AppendBookmarkStart("myBookmark");
            bookmarkParagrapg.Items.Insert(0, start);
            bookmarkParagrapg.AppendBookmarkEnd("myBookmark");

            //Link to the bookmark
            Paragraph paragraph = section1.AddParagraph();
            paragraph.AppendText("Link to a bookmark: ");
            paragraph.AppendHyperlink("myBookmark", "Jump to a location in this document", HyperlinkType.Bookmark);

            //Save to file
            doc.SaveToFile("LinkToBookmark.docx", FileFormat.Docx2013);
        }
    }
}

Imports Spire.Doc
Imports Spire.Doc.Documents

Namespace LinkToBookmark
    Class Program
        Shared  Sub Main(ByVal args() As String)
            'Create a Document object
            Document doc = New Document()
 
            'Add two sections
            Dim section1 As Section = doc.AddSection()
            Dim section2 As Section = doc.AddSection()
 
            'Insert a paragraph in section 2 and add a bookmark named "myBookmark" to it
            Dim bookmarkParagrapg As Paragraph = section2.AddParagraph()
            bookmarkParagrapg.AppendText("Here is a bookmark")
            Dim start As BookmarkStart = bookmarkParagrapg.AppendBookmarkStart("myBookmark")
            bookmarkParagrapg.Items.Insert(0, start)
            bookmarkParagrapg.AppendBookmarkEnd("myBookmark")
 
            'Link to the bookmark
            Dim paragraph As Paragraph = section1.AddParagraph()
            paragraph.AppendText("Link to a bookmark: ")
            paragraph.AppendHyperlink("myBookmark", "Jump to a location in this document", HyperlinkType.Bookmark)
 
            'Save to file
            doc.SaveToFile("LinkToBookmark.docx", FileFormat.Docx2013)
        End Sub
    End Class
End Namespace