PM> Install-Package Spire.Presentation

using Spire.Presentation;

namespace MergeCells
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create an object of Presentation class 
            Presentation presentation = new Presentation();

            //Load a PowerPoint presentation
            presentation.LoadFromFile("sample.pptx");

            //Get the table from the first slide by looping through all shapes
            ITable table = null;
            foreach (IShape shape in presentation.Slides[0].Shapes)
            {
                if (shape is ITable)
                {
                    table = (ITable)shape;

                    //Merge the cells from [0,0] to [4,0]
                    table.MergeCells(table[0, 0], table[4, 0], false);
                }
            }

            //Save the result document
            presentation.SaveToFile("MergeCells.pptx", FileFormat.Pptx2010);
            presentation.Dispose();
        }
    }
}

Imports Spire.Presentation

Namespace MergeCells
    
    Class Program
        
        Private Shared Sub Main(ByVal args() As String)

            'Create an object of Presentation class 
            Dim presentation As Presentation = New Presentation

            'Load a PowerPoint presentation
            presentation.LoadFromFile("sample.pptx")

            'Get the table from the first slide by looping through all shapes
            Dim table As ITable = Nothing
            For Each shape As IShape In presentation.Slides(0).Shapes
                If (TypeOf shape Is ITable) Then
                    table = CType(shape,ITable)

                    'Merge the cells from [0,0] to [4,0]
                    table.MergeCells(table(0, 0), table(4, 0), false)
                End If
            Next

            'Save the result document
            presentation.SaveToFile("MergeCells.pptx", FileFormat.Pptx2010)
            presentation.Dispose
        End Sub
    End Class
End Namespace

using Spire.Presentation;

namespace SplitCells
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create an object of Presentation class
            Presentation presentation = new Presentation();

            //Load a PowerPoint presentation
            presentation.LoadFromFile("sample.pptx");

            //Get the table from the first slide by looping through all shapes
            ITable table = null;
            foreach (IShape shape in presentation.Slides[0].Shapes)
            {
                if (shape is ITable)
                {
                    table = (ITable)shape;

                    //Split cell [2, 2] into 2 rows and 2 columns
                    table[2, 2].Split(2, 2);
                }
            }

            //Save the result document
            presentation.SaveToFile("SplitCells.pptx", FileFormat.Pptx2013);
            presentation.Dispose();
                }
            }
        }

Imports Spire.Presentation

Namespace SplitCells
    
    Class Program
        
        Private Shared Sub Main(ByVal args() As String)
            'Create an object of Presentation class
            Dim presentation As Presentation = New Presentation

            'Load a PowerPoint presentation
            presentation.LoadFromFile("sample.pptx")

            'Get the table from the first slide by looping through all shapes
            Dim table As ITable = Nothing
            For Each shape As IShape In presentation.Slides(0).Shapes
                If (TypeOf shape Is ITable) Then
                    table = CType(shape,ITable)

                    'Split cell [2, 2] into 2 rows and 2 columns
                    table(2, 2).Split(2, 2)
                End If
            Next

            'Save the result document
            presentation.SaveToFile("SplitCells.pptx", FileFormat.Pptx2013)
            presentation.Dispose
        End Sub
    End Class
End Namespace

PM> Install-Package Spire.PDF

using Spire.Pdf;
using Spire.Pdf.Annotations;
using System;

namespace ChangeHyperlink
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //Cretae an object of PdfDocument
            PdfDocument pdf = new PdfDocument();

            //Load a PDF file
            pdf.LoadFromFile("Sample.pdf");

            //Get the first page
            PdfPageBase page = pdf.Pages[0];

            //Get the first hyperlink
            PdfUriAnnotationWidget url = (PdfUriAnnotationWidget)page.Annotations[0];

            //Reset the url of the hyperlink
            url.Uri = "https://en.wikipedia.org/wiki/Climate_change";

            //Save the PDF file
            pdf.SaveToFile("ChangeHyperlink.pdf");
            pdf.Dispose();
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Annotations
Imports System

Namespace ChangeHyperlink
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Cretae an object of PdfDocument
            Dim pdf As PdfDocument = New PdfDocument()

            'Load a PDF file
            pdf.LoadFromFile("Sample.pdf")

            'Get the first page
            Dim page As PdfPageBase = pdf.Pages(0)

            'Get the first hyperlink
            Dim url As PdfUriAnnotationWidget = CType(page.AnnotationsWidget(0), PdfUriAnnotationWidget)

            'Reset the url of the hyperlink
            url.Uri = "https://en.wikipedia.org/wiki/Climate_change"

            'Save the PDF file
            pdf.SaveToFile("ChangeHyperlink.pdf")
            pdf.Dispose()
        End Sub
    End Class
End Namespace

using Spire.Pdf;
using Spire.Pdf.Annotations;
using System;
using System.Dynamic;

namespace DeleteHyperlink
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //Cretae an object of PdfDocument
            PdfDocument pdf = new PdfDocument();

            //Load a PDF file
            pdf.LoadFromFile("Sample.pdf");

            //Remove the second hyperlink in the fisrt page
            //PdfPageBase page = pdf.Pages[0];
            //page.AnnotationsWidget.RemoveAt(1);

            //Remove all hyperlinks in the document
            //Loop through pages in the document
            foreach (PdfPageBase page in pdf.Pages)
            {
                //Get the annotation collection of a page
                PdfAnnotationCollection collection = page.Annotations;
                for (int i = collection.Count - 1; i >= 0; i--)
                {
                    PdfAnnotation annotation = collection[i];
                    //Check if an annotation is an instance of PdfUriAnnotationWidget
                    if (annotation is PdfUriAnnotationWidget)
                    {
                        PdfUriAnnotationWidget url = (PdfUriAnnotationWidget)annotation;
                        //Remove the hyperlink
                        collection.Remove(url);
                    }
                }
            }

            //Save the document
            pdf.SaveToFile("DeleteHyperlink.pdf");
            pdf.Dispose();
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Annotations
Imports System
Imports System.Dynamic

Namespace DeleteHyperlink
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Cretae an object of PdfDocument
            Dim pdf As PdfDocument = New PdfDocument()

            'Load a PDF file
            pdf.LoadFromFile("Sample.pdf")

            'Remove the second hyperlink in the fisrt page
            'PdfPageBase page = pdf.Pages[0];
            'page.AnnotationsWidget.RemoveAt(1);

            'Remove all hyperlinks in the document
            'Loop through pages in the document
            Dim page As PdfPageBase
            For Each page In pdf.Pages
                'Get the annotation collection of a page
                Dim collection As PdfAnnotationCollection = page.AnnotationsWidget
                Dim i As Integer
                For i = collection.Count - 1 To 0 Step i - 1
                    Dim annotation As PdfAnnotation = collection(i)
                    'Check if an annotation is an instance of PdfUriAnnotationWidget
                    If TypeOf annotation Is PdfUriAnnotationWidget Then
                        Dim url As PdfUriAnnotationWidget = CType(annotation, PdfUriAnnotationWidget)
                        'Remove the hyperlink
                        collection.Remove(url)
                    End If
                Next
            Next

            'Save the document
            pdf.SaveToFile("DeleteHyperlink.pdf")
            pdf.Dispose()
        End Sub
    End Class
End Namespace

PM> Install-Package Spire.Doc

using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields.Shapes.Charts;
using Spire.Doc.Fields;

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

            //Add a section
            Section section = document.AddSection();

            //Add a paragraph to the section
            Paragraph newPara = section.AddParagraph();

            //Add a line chart with specified size to the paragraph
            ShapeObject shape = newPara.AppendChart(ChartType.Line, 460, 300);

            //Get the chart
            Chart chart = shape.Chart;

            //Set chart title
            chart.Title.Text = "Sales Report";

            //Clear the default series data of the chart
            chart.Series.Clear();

            //Add three custom series with specified series names, category names, and series values to chart
            string[] categories = { "Jan", "Feb", "Mar", "Apr"};
            chart.Series.Add("Team A", categories, new double[] { 1000, 2000, 2500, 4200 });
            chart.Series.Add("Team B", categories, new double[] { 1500, 1800, 3500, 4000 });
            chart.Series.Add("Team C", categories, new double[] { 1200, 2500, 2900, 3600 });

            //Set the legend position
            chart.Legend.Position = LegendPosition.Bottom;

            //Save the result document
            document.SaveToFile("AppendLineChart.docx", FileFormat.Docx);
        }
    }
}

Imports Spire.Doc
Imports Spire.Doc.Documents
Imports Spire.Doc.Fields.Shapes.Charts
Imports Spire.Doc.Fields

Namespace WordLineChart
    Class Program
        Private Shared Sub Main(ByVal args() As String)
            'Create a Document object
            Dim document As Document = New Document

            'Add a section
            Dim section As Section = document.AddSection()

            'Add a paragraph to the section
            Dim newPara As Paragraph = section.AddParagraph

            'Add a line chart with specified size to the paragraph
            Dim shape As ShapeObject = newPara.AppendChart(ChartType.Line, 460, 300)

            'Get the chart
            Dim chart As Chart = shape.Chart

            'Set chart title
            chart.Title.Text = "Sales Report"

            'Clear the default series data of the chart
            chart.Series.Clear()

            'Add three custom series with specified series names, category names, and series values to chart
            Dim categories() As String = New String() {"Jan", "Feb", "Mar", "Apr"}
            chart.Series.Add("Team A", categories, New Double() {1000, 2000, 2500, 4200})
            chart.Series.Add("Team B", categories, New Double() {1500, 1800, 3500, 4000})
            chart.Series.Add("Team C", categories, New Double() {1200, 2500, 2900, 3600})

            'Set the legend position
            chart.Legend.Position = LegendPosition.Bottom

            'Save the result document
            document.SaveToFile("AppendLineChart.docx", FileFormat.Docx)
        End Sub
    End Class
End Namespace

PM> Install-Package Spire.Office

using Spire.Pdf;
using Spire.Pdf.Utilities;
using Spire.Xls;

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

            //Load the sample PDF file
            doc.LoadFromFile(@"C:\Users\Administrator\Desktop\table.pdf");

            //Create a Workbook object
            Workbook workbook = new Workbook();

            //Clear default worksheets
            workbook.Worksheets.Clear();

            //Initialize an instance of PdfTableExtractor class
            PdfTableExtractor extractor = new PdfTableExtractor(doc);

            //Declare a PdfTable array 
            PdfTable[] tableList = null;

            int sheetNumber = 1;

            //Loop through the pages 
            for (int pageIndex = 0; pageIndex < doc.Pages.Count; pageIndex++)
            {
                //Extract tables from a specific page
                tableList = extractor.ExtractTable(pageIndex);

                //Determine if the table list is null
                if (tableList != null && tableList.Length > 0)
                {
                    //Loop through the table in the list
                    foreach (PdfTable table in tableList)
                    {
                        //Add a worksheet
                        Worksheet sheet = workbook.Worksheets.Add(String.Format("sheet{0}", sheetNumber));

                        //Get row number and column number of a certain table
                        int row = table.GetRowCount();
                        int column = table.GetColumnCount();

                        //Loop though the row and colunm 
                        for (int i = 0; i < row; i++)
                        {
                            for (int j = 0; j < column; j++)
                            {
                                //Get text from the specific cell
                                string text = table.GetText(i, j);

                                //Write text to a specified cell
                                sheet.Range[i + 1, j + 1].Value = text;
                            }
              
                        }
                        sheetNumber++;
                    }
                }
            }

            //Save to file
            workbook.SaveToFile("ToExcel.xlsx", ExcelVersion.Version2013);
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Utilities
Imports Spire.Xls
 
Namespace ExtractTablesToExcel
    Class Program
        Shared  Sub Main(ByVal args() As String)
            'Create a PdfDocument object
            Dim doc As PdfDocument =  New PdfDocument() 
 
            'Load the sample PDF file
            doc.LoadFromFile("C:\Users\Administrator\Desktop\table.pdf")
 
            'Create a Workbook object
            Dim workbook As Workbook =  New Workbook() 
 
            'Clear default worksheets
            workbook.Worksheets.Clear()
 
            'Initialize an instance of PdfTableExtractor class
            Dim extractor As PdfTableExtractor =  New PdfTableExtractor(doc) 
 
            'Declare a PdfTable array 
            Dim tableList() As PdfTable =  Nothing 
 
            Dim sheetNumber As Integer =  1 
 
            'Loop through the pages 
            Dim pageIndex As Integer
            For  pageIndex = 0 To  doc.Pages.Count- 1  Step  pageIndex + 1
                'Extract tables from a specific page
                tableList = extractor.ExtractTable(pageIndex)
 
                'Determine if the table list is null
                If tableList <> Nothing And tableList.Length > 0 Then
                    'Loop through the table in the list
                    Dim table As PdfTable
                    For Each table In tableList
                        'Add a worksheet
                        Dim sheet As Worksheet =  workbook.Worksheets.Add(String.Format("sheet{0}",sheetNumber)) 
 
                        'Get row number and column number of a certain table
                        Dim row As Integer =  table.GetRowCount() 
                        Dim column As Integer =  table.GetColumnCount() 
 
                        'Loop though the row and colunm 
                        Dim i As Integer
                        For  i = 0 To  row- 1  Step  i + 1
                            Dim j As Integer
                            For  j = 0 To  column- 1  Step  j + 1
                                'Get text from the specific cell
                                Dim text As String =  table.GetText(i,j) 
 
                                'Write text to a specified cell
                                sheet.Range(i + 1, j + 1).Value = text
                            Next
 
                        Next
                        sheetNumber = sheetNumber + 1
                    Next
                End If
            Next
 
            'Save to file
            workbook.SaveToFile("ToExcel.xlsx", ExcelVersion.Version2013)
        End Sub
    End Class
End Namespace