Text annotation is frequently used in PDF for creating a comment or explaining more about an item. Using Spire.PDF you can create a text mark-up annotation, edit an existing annotation and delete specified or all annotations. This article is aimed to demonstrate how to modify and format an existing text annotation in a PDF document.

Test File:

Modify and Format Annotation in PDF in C#, VB.NET

Changes we want to make:

  • Modify the annotation text.
  • Change the color of the annotation icon.
  • Fix the annotation flag including its position, color, and type.

Code Snippet

Step 1: Create a new PDF document and load the test file.

PdfDocument pdf = new PdfDocument("test.pdf");

Step 2: Get the annotation from the document.

PdfAnnotation annotation = pdf.Pages[0].Annotations[0];

Step 3: Set the text, border, color of the annotation and lock the annotation flag.

annotation.Text = "Revised annotation";
annotation.Border = new PdfAnnotationBorder(0.75f);
annotation.Color = new PdfRGBColor(Color.White);
annotation.Flags = PdfAnnotationFlags.Locked;

Step 4: Save and launch the file.

pdf.SaveToFile("result.pdf");
Process.Start("result.pdf");

Target Effect:

Modify and Format Annotation in PDF in C#, VB.NET

Full Code:

[C#]
using Spire.Pdf;
using Spire.Pdf.Annotations;
using Spire.Pdf.Graphics;
using System.Diagnostics;
using System.Drawing;

namespace ModifyAndFormatAnnotation
{
    class Program
    {
        static void Main(string[] args)
        {
            PdfDocument pdf = new PdfDocument("test.pdf");
            PdfAnnotation annotation = pdf.Pages[0].Annotations[0];

            annotation.Text = "Revised annotation";
            annotation.Border = new PdfAnnotationBorder(0.75f);
            annotation.Color = new PdfRGBColor(Color.White);
            annotation.Flags = PdfAnnotationFlags.Locked;

            pdf.SaveToFile("result.pdf");
            Process.Start("result.pdf");
        }

    }
}
[VB.NET]
Imports Spire.Pdf
Imports Spire.Pdf.Annotations
Imports Spire.Pdf.Graphics
Imports System.Diagnostics
Imports System.Drawing

Namespace ModifyAndFormatAnnotation
	Class Program
		Private Shared Sub Main(args As String())
			Dim pdf As New PdfDocument("test.pdf")
			Dim annotation As PdfAnnotation = pdf.Pages(0).Annotations(0)

			annotation.Text = "Revised annotation"
			annotation.Border = New PdfAnnotationBorder(0.75F)
			annotation.Color = New PdfRGBColor(Color.White)
			annotation.Flags = PdfAnnotationFlags.Locked

			pdf.SaveToFile("result.pdf")
			Process.Start("result.pdf")
		End Sub

	End Class
End Namespace

When you need to print many PDF documents, surely you don't want to see the print dialog every time. This article will show you clearly how to print PDF documents in WPF without invoking Print Dialog by using Spire.PDFViewer for WPF.

Here comes to the steps of how to print PDF files in WPF.

Step 1: First you need to create a new project by choosing "WPF Application".

Step 2: Set the Target Framework to be .NET Framework 4 in Properties.

Step 3: Right-click on the blank part of the Toolbox → "Add Tab" → "Choose Items" → "WPF Components" → "Browse" to the "Bin" folder → find the file "Spire.PdfViewer.Wpf.dll" → "OK".

Step4: Spire.PDFViewer offers PdfViewer and PdfDocumentViewer to print the PDF files in C#. Please check the code snippet as below:

Print via PdfViewer without invoking PrintDialog with the following method.

PrintDialog dialog = new PrintDialog();
this.pdfViewer1.PrintDialog = dialog;
dialog.PrintDocument(pdfViewer1.PrintDocument.DocumentPaginator, "Print Document");

Print via PdfDocumentViewer without invoking PrintDialog with the following method.

PrintDialog dialog = new PrintDialog();
this.pdfDocumentViewer1.PrintDialog = dialog;
dialog.PrintDocument(pdfDocumentViewer1.PrintDocument.DocumentPaginator, "Print Document");

Then your PDF document will be printed directly without showing the print dialog.

Full codes of how to print PDF file in WPF.

namespace PrintPDFinWPF
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            this.pdfViewer1.LoadFromFile("sample.pdf");
            ////Print the PDF file directly with PrintDialog
            //this.pdfViewer1.Print();

            //Print without Print Dialog
            PrintDialog dialog = new PrintDialog();
            this.pdfViewer1.PrintDialog = dialog;
            dialog.PrintDocument(pdfViewer1.PrintDocument.DocumentPaginator, "Print Document");
        }
    }
}

A file with the XLSM extension is an Excel Macro-Enabled Workbook file. For security reasons, XLS file or XLSX file does not enable macros by default. Thus, if you want to execute macros in Excel file, you need to convert XLS or XLSX to XLSM at the first place. In this article, I’ll introduce you how to convert XLS to XLSM with the macro maintained using Spire.XLS.

Here is the method:

Step 1: Create a new instance of Spire.Xls.Workbook class.

Workbook workbook = new Workbook();

Step 2: Load the test file and imports its data to workbook.

workbook.LoadFromFile("test.xls", ExcelVersion.Version97to2003);

Step 3: Save the workbook as a new XLSM file.

workbook.SaveToFile("result.xlsm", FileFormat.Version2007);

Full Code:

[C#]
using Spire.Xls;
namespace Convert
{
    class Program
    {
          static void Main(string[] args)
{
    Workbook workbook = new Workbook();
    workbook.LoadFromFile("test.xls", ExcelVersion.Version97to2003);
    workbook.SaveToFile("result.xlsm", FileFormat.Version2007);
}

        }
    }
[VB.NET]
Imports Spire.Xls
Namespace Convert
	Class Program
		Private Shared Sub Main(args As String())
			Dim workbook As New Workbook()
			workbook.LoadFromFile("test.xls", ExcelVersion.Version97to2003)
			workbook.SaveToFile("result.xlsm", FileFormat.Version2007)
		End Sub

	End Class
End Namespace

Test File:

As is shown in the picture, Excel automatically disables macro in XLS file.

Convert XLS to XLSM and Maintain Macro in C#, VB.NET

Result:

No security warning in the converted XLSM file.

Convert XLS to XLSM and Maintain Macro in C#, VB.NET

C#/VB.NET: Convert PowerPoint to XPS

2022-09-23 01:06:00 Written by Koohji

The XML Paper Specification (XPS) format is an electronic representation of digital documents based on XML. It is a paginated, fixed-layout format that enables the content and design details of a document to be maintained intact across computers. Sometimes you may need to convert a PowerPoint document to XPS for better printing or sharing, and this article will demonstrate how to accomplish this task programmatically using Spire.Presentation for .NET.

Install Spire.Presentation for .NET

To begin with, you need to add the DLL files included in the Spire.Presentation for.NET package as references in your .NET project. The DLL files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.Presentation

Convert PowerPoint to XPS

The detailed steps are as follows:

  • Create a Presentation instance.
  • Load a sample PowerPoint document using Presentation.LoadFromFile() method.
  • Save the PowerPoint document to XPS using Presentation.SaveToFile(String, FileFormat) method.
  • C#
  • VB.NET
using Spire.Presentation;

namespace PowerPointtoXPS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Presentation instance
            Presentation presentation = new Presentation();

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

            //Save to XPS file
            presentation.SaveToFile("toXPS.xps", FileFormat.XPS);
        }
    }
}

C#/VB.NET: Convert PowerPoint to XPS

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

Sometimes you may encounter a situation where you need to replace images in a Word document. For example, if you are creating a resume from a template, you may need to replace the profile picture in the template with your own photo. In this article, we will show you how to replace images in a Word document in C# and VB.NET using Spire.Doc for .NET.

Install Spire.Doc for .NET

To begin with, you need to add the DLL files included in the Spire.Doc for.NET package as references in your .NET project. The DLL files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.Doc

Replace Image with New Image in Word in C# and VB.NET

To replace an image in a Word document with another image, you need to loop through the elements of the document, find the images and add them to a list, then get the image that you want to replace from the list and call the DocPicture.LoadImage() method to replace it with another image.

The following are the detailed steps:

  • Initialize an instance of the Document class.
  • Load a Word document using Document.LoadFromFile() method.
  • Initialize an instance of the List class.
  • Iterate through all sections in the document.
  • Iterate through all paragraphs in each section.
  • Iterate through all child objects in each paragraph.
  • Find the images and add them to the list.
  • Get a specific image from the list and replace it with another image using DocPicture.LoadImage() method.
  • Save the result document using Document.SaveToFile() method.
  • C#
  • VB.NET
using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
using System.Collections.Generic;
using System.Drawing;

namespace ReplaceImageWithImage
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //Initialize an instance of the Document class
            Document doc = new Document();
            //Load a Word document
            doc.LoadFromFile("Sample.docx");

            //Initialize an instance of the List class
            List pictures = new List();

            //Iterate through all sections in the document
            foreach (Section sec in doc.Sections)
            {
                //Iterate through all paragraphs in each section
                foreach (Paragraph para in sec.Paragraphs)
                {
                    //Iterate through all child objects in each paragraph
                    foreach (DocumentObject docObj in para.ChildObjects)
                    {
                        //Find the images and add them to the list
                        if (docObj.DocumentObjectType == DocumentObjectType.Picture)
                        {
                            pictures.Add(docObj);
                        }
                    }
                }
            }

            //Replace the first picture in the list with another image
            DocPicture picture = pictures[0] as DocPicture;
            picture.LoadImage(Image.FromFile(@"doc.png"));

            //Save the result document
            doc.SaveToFile("ReplaceWithNewImage.docx", FileFormat.Docx2013);

        }
    }
}

C#/VB.NET: Replace Images in Word Documents

Replace Image with Text in Word in C# and VB.NET

Spire.Doc doesn’t provide a direct method to replace image with text, but you can achieve this task by inserting the text at the image location and then removing the image from the document.

The following steps demonstrate how to replace all images in a Word document with text:

  • Initialize an instance of the Document class.
  • Load a Word document using Document.LoadFromFile() method.
  • Iterate through all sections in the document.
  • Iterate through all paragraphs in each section.
  • Initialize an instance of the List class.
  • Iterate through all child objects in each paragraph.
  • Find the images and add them to the list.
  • Iterate through the images in the list.
  • Get the index of the image in the paragraph using Paragraph.ChildObjects.Indexof() method.
  • Initialize an instance of TextRange class and set text for the text range through TextRange.Text property.
  • Insert the text range at the image location using Paragraph.ChildObjects.Insert() method.
  • Remove the image from the paragraph using Paragraph.ChildObjects.Remove() method.
  • Save the result document using Document.SaveToFile() method.
  • C#
  • VB.NET
using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
using System.Collections.Generic;

namespace ReplaceImageWithText
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //Initialize an instance of the Document class
            Document doc = new Document();
            //Load a Word document
            doc.LoadFromFile("Sample.docx");

            int j = 1;
            //Iterate through all sections in the document
            foreach (Section sec in doc.Sections)
            {
                //Iterate through all paragraphs in each section
                foreach (Paragraph para in sec.Paragraphs)
                {
                    //Initialize an instance of the List class
                    List pictures = new List();
                    //Find the images and add them to the list
                    foreach (DocumentObject docObj in para.ChildObjects)
                    {
                        if (docObj.DocumentObjectType == DocumentObjectType.Picture)
                        {
                            pictures.Add(docObj);
                        }
                    }

                    //Iterate through all images in the list and replace them with text "Here is image {image index}"
                    foreach (DocumentObject pic in pictures)
                    {
                        int index = para.ChildObjects.IndexOf(pic);
                        TextRange range = new TextRange(doc);
                        range.Text = string.Format("Here is image-{0}", j);
                        para.ChildObjects.Insert(index, range);
                        para.ChildObjects.Remove(pic);
                        j++;
                    }
                }
            }

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

C#/VB.NET: Replace Images in Word Documents

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

Print PDF Files in C# .NET

Printing PDF documents in C# can be achieved without Adobe Acrobat. Using Spire.PDF, developers can easily incorporate powerful printing functionalities into their applications. This library provides a smooth, programmatic method to manage everything from simple printing tasks to advanced features such as duplex printing and silent printing. Whether you need to print a single page or an entire multi-page document, Spire.PDF ensures precision and efficiency.

In this article, we’ll explore how to leverage Spire.PDF for .NET to print PDFs directly from your C# applications , customize print settings, and resolve common issues.

Best C# .NET Library for Printing PDF

When it comes to PDF printing in C#, several libraries are available, but Spire.PDF stands out as one of the most robust and developer-friendly options. Spire.PDF offers:

  • Comprehensive PDF manipulation capabilities
  • Simple yet powerful printing functionality
  • No dependency on Adobe Acrobat
  • Support for both Windows Forms and Console applications
  • Extensive customization options for print settings

The library handles all the low-level complexities of PDF rendering and printer communication, allowing developers to focus on implementing business logic rather than wrestling with printer APIs.

To begin, install the Spire.PDF for .NET library via NuGet Package Manager :

Install-Package Spire.PDF

Alternatively, you can download Spire.PDF directly from our official website and reference the DLLs in your project.

Basic PDF Printing in C#: Directly Print PDF to Default Printer

Now, let's start with the simplest scenario: printing a PDF document to the system's default printer. Spire.PDF makes this incredibly straightforward:

using Spire.Pdf;

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

            // Load a PDF file
            doc.LoadFromFile("C:/Users/Administrator/Desktop/Input.pdf");

            // Print to default printer 
            doc.Print();

            // Clean up resources
            doc.Dispose();
        }
    }
}

This basic example demonstrates the core workflow:

  1. Create a PdfDocument instance.
  2. Load an existing PDF file.
  3. Call the Print() method to send the document to the default printer.
  4. Clean up resources.

The simplicity of this approach makes it ideal for scenarios where you just need to quickly print a document without any special requirements.

Advanced Print Settings in Spire.PDF

While the basic printing method works for simple cases, most real-world applications require more control over the printing process. Spire.PDF provides extensive print customization through its PrintSettings property.

1. Specify Printer Name

Instead of using the default printer, you can target a specific printer by name:

doc.PrintSettings.PrinterName = "Your Printer Name";

2. Set Print Page Range

For large documents, you might want to print only specific pages. Use SelectPageRange() to define a start and end page:

doc.PrintSettings.SelectPageRange(1, 5); // Pages 1 to 5

For non-sequential pages, use SelectSomePages() :

doc.PrintSettings.SelectSomePages(newint[] { 1, 3, 5, 7 });

3. Adjust Number of Copies

Need multiple copies? Set the Copies property to the desired number:

doc.PrintSettings.Copies = 2;

4. Enable Duplex (Double-Sided) Printing

Duplex printing can save paper and is commonly required for professional documents. Check if the printer supports it first:

if (doc.PrintSettings.CanDuplex)
{
    doc.PrintSettings.Duplex = Duplex.Default;
}

5. Black and White (Grayscale) Printing

For documents where color isn't necessary, you can force grayscale printing:

doc.PrintSettings.Color = false;

6. Silent Printing (Hide Dialog Box & Process)

For automated workflows, you often want to print without any user interaction:

doc.PrintSettings.PrintController = new StandardPrintController();

This suppresses all print dialogs, making the process completely silent. Use this carefully, as it removes the user's ability to confirm or adjust settings.

7. Print Different Pages to Different Trays

Advanced printers with multiple paper trays can handle complex document assembly automatically:

// Register event handler for paper settings
doc.PrintSettings.PaperSettings += delegate (object sender, PdfPaperSettingsEventArgs e)
{
    // Use tray 1 for pages 1-10
    if (1 <= e.CurrentPaper && e.CurrentPaper <= 10)
    {
        e.CurrentPaperSource = e.PaperSources[0];
    }
    // Use tray 2 for pages beyond 10
    else
    {
        e.CurrentPaperSource = e.PaperSources[1];
    }
};

This feature allows for professional document production where cover pages, inserts, or chapter dividers can automatically print on different paper stock.

8. Print Multiple Pages Per Sheet

Optimize paper usage by printing multiple PDF pages on a single sheet. The SelectMultiPageLayout() method lets you specify the grid layout (rows × columns) for page arrangement:

doc.PrintSettings.SelectMultiPageLayout(2, 2); // Prints 4 pages per sheet (2 rows × 2 columns)

This setting is ideal for printing booklets, handouts, or draft documents while conserving paper. The pages are automatically scaled to fit the specified layout.

Conclusion

Printing PDFs programmatically in C# doesn't require Adobe Acrobat or complex printer APIs . With Spire.PDF, you can implement everything from simple printing to advanced, professional-grade output with just a few lines of code. The library abstracts away the complexities while providing fine-grained control when needed.

Whether you're building a document management system, a reporting tool, or any application that needs PDF printing capabilities, Spire.PDF offers a comprehensive solution that balances ease of use with powerful features. Start exploring its capabilities today and transform your PDF printing workflows!

FAQs

Q1: How do I print a PDF in C# without Adobe?

Use Spire.PDF’s Print() method to send the document directly to the printer.

Q2: Can I print PDFs to a network printer?

Yes, as long as the printer is properly installed on your system, you can specify it by name just like a local printer.

Q3: How to print a PDF in WPF or WinFroms?

The code snippets provided in this guide work seamlessly in both WPF and WinForms applications. In WPF, consider adding printer selection dialogs for an enhanced user experience.

Q4: How can I improve print quality when printing PDFs programmatically in C#?

You can control print quality by setting the printer resolution using the PrinterResolutionKind property. For high-quality output, use:

doc.PrintSettings.PrinterResolutionKind = PdfPrinterResolutionKind.High;

Spire.PDF supports these resolution options:

  • Low (Draft quality)
  • Medium (Standard quality)
  • High (Best quality)
  • Custom (Requires additional DPI settings)

Note: Actual output depends on your printer's capabilities. For photo-quality prints, ensure your printer supports high DPI (e.g., 1200x1200) and use high-quality paper. Combine this with doc.PrintSettings.Color = true for color-critical documents.

Get a Free License

To fully experience the capabilities of Spire.PDF for .NET without any evaluation limitations, you can request a free 30-day trial license.

Maybe you have met this case in your work: You receive a lot of files that are in different file types, some are Word, some are PowerPoint slides, or some are Excel, etc, and you need to combine these files to one PDF for easy sharing. In this article, I’ll introduce you how to convert each file type into an Adobe PDF and then simultaneously merge them into a single PDF document using Spire.Office.

In this sample, I get four types of file (.doc, .docx, .xls, .pdf) prepared at first. Within the Spire.Office, it provides SaveToStream() method which allows us to save Word and Excel documents into stream, then these streams can be converted to PDF documents by calling the method of PdfDocument(Stream stream). At last, we could merge these PDF files to one file with the method PdfDocument.AppendPage(). More details would be as follows:

Code Snippet for Merge Multiple File Types to One PDF

Step 1: Create four new PDF documents.

PdfDocument[] documents = new PdfDocument[4];

Step 2: Load the .doc file, save it into stream and generate new PDF document from the stream.

using (MemoryStream ms1 = new MemoryStream())
{
      Document doc = new Document("01.doc", Spire.Doc.FileFormat.Doc);
      doc.SaveToStream(ms1, Spire.Doc.FileFormat.PDF);
      documents[0] = new PdfDocument(ms1);
}

Step 3: Repeat Step 2 to generate two PDF documents from .docx file and .xls file.

using (MemoryStream ms2 = new MemoryStream())
{
      Document docx = new Document("02.docx", Spire.Doc.FileFormat.Docx2010);
      docx.SaveToStream(ms2, Spire.Doc.FileFormat.PDF);
      documents[1] = new PdfDocument(ms2);
}
using (MemoryStream ms3 = new MemoryStream())
{
      Workbook workbook = new Workbook();
      workbook.LoadFromFile("03.xls", ExcelVersion.Version97to2003);
      workbook.SaveToStream(ms3, Spire.Xls.FileFormat.PDF);
      documents[2] = new PdfDocument(ms3);
}

Step 4: Load .pdf file and save it to documents[3].

documents[3] = new PdfDocument("04.pdf");

Step 5: Append the documents[0],[1],[2] to documents[3] and save as a new PDF document.

for (int i = 2; i > -1; i--)
{
      documents[3].AppendPage(documents[i]);
}
documents[3].SaveToFile("Result.pdf");

Screenshot of the Effect:

Merge Multiple File Types into One PDF

Full Code:

[C#]
using Spire.Doc;
using Spire.Xls;
using Spire.Pdf;

namespace MergeMultiTypestoOnePDF
{
    class Program
    {
        static void Main(string[] args)
        {
            PdfDocument[] documents = new PdfDocument[4];
            using (MemoryStream ms1 = new MemoryStream())
            {
                Document doc = new Document("01.doc", Spire.Doc.FileFormat.Doc);
                doc.SaveToStream(ms1, Spire.Doc.FileFormat.PDF);
                documents[0] = new PdfDocument(ms1);
            }
            using (MemoryStream ms2 = new MemoryStream())
            {
                Document docx = new Document("02.docx", Spire.Doc.FileFormat.Docx2010);
                docx.SaveToStream(ms2, Spire.Doc.FileFormat.PDF);
                documents[1] = new PdfDocument(ms2);
            }
            using (MemoryStream ms3 = new MemoryStream())
            {
                Workbook workbook = new Workbook();
                workbook.LoadFromFile("03.xls", ExcelVersion.Version97to2003);
                workbook.SaveToStream(ms3, Spire.Xls.FileFormat.PDF);
                documents[2] = new PdfDocument(ms3);
            }
            documents[3] = new PdfDocument("04.pdf");

            for (int i = 2; i > -1; i--)
            {
                documents[3].AppendPage(documents[i]);
            }

            documents[3].SaveToFile("Result.pdf");

        }
    }
}
[VB.NET]
Imports Spire.Doc
Imports Spire.Xls
Imports Spire.Pdf

Namespace MergeMultiTypestoOnePDF
	Class Program
		Private Shared Sub Main(args As String())
			Dim documents As PdfDocument() = New PdfDocument(3) {}
			Using ms1 As New MemoryStream()
				Dim doc As New Document("01.doc", Spire.Doc.FileFormat.Doc)
				doc.SaveToStream(ms1, Spire.Doc.FileFormat.PDF)
				documents(0) = New PdfDocument(ms1)
			End Using
			Using ms2 As New MemoryStream()
				Dim docx As New Document("02.docx", Spire.Doc.FileFormat.Docx2010)
				docx.SaveToStream(ms2, Spire.Doc.FileFormat.PDF)
				documents(1) = New PdfDocument(ms2)
			End Using
			Using ms3 As New MemoryStream()
				Dim workbook As New Workbook()
				workbook.LoadFromFile("03.xls", ExcelVersion.Version97to2003)
				workbook.SaveToStream(ms3, Spire.Xls.FileFormat.PDF)
				documents(2) = New PdfDocument(ms3)
			End Using
			documents(3) = New PdfDocument("04.pdf")

			For i As Integer = 2 To -1 + 1 Step -1
				documents(3).AppendPage(documents(i))
			Next

			documents(3).SaveToFile("Result.pdf")

		End Sub
	End Class
End Namespace

Microsoft PowerPoint automatically shows the number Format in Arabic number for data cell on chart and it will show tick marks on the value axis and category axis. In order to make the chart more clearly and tidy, we may need to set percentage number format for the data and remove the tick marks. With the help of Spire.Presentation, we can achieve these requirements easily.

Make sure Spire.Presentation for .NET (Version 2.1.7 or above) has been installed correctly and then add Spire.Presentation.dll as reference in the downloaded Bin folder though the below path: "..\Spire.Presentation\Bin\NET4.0\ Spire. Presentation.dll".

Check the custom chart on presentation slides at first:

Set Number Format and remove tick marks on Chart

Step 1: Create a presentation document and load the file from disk.

Presentation ppt = new Presentation();
ppt.LoadFromFile("sample.pptx");

Step 2: Get the chart that need to be adjust the number format and remove the tick marks.

IChart chart = ppt.Slides[0].Shapes[3] as IChart;

Step 3: Set percentage number format for the axis value of chart.

chart.PrimaryValueAxis.NumberFormat = "0#\\%";

Step 4: Remove the tick marks for value axis and category axis.

chart.PrimaryValueAxis.MajorTickMark = TickMarkType.TickMarkNone;
chart.PrimaryValueAxis.MinorTickMark = TickMarkType.TickMarkNone;
chart.PrimaryCategoryAxis.MajorTickMark = TickMarkType.TickMarkNone;
chart.PrimaryCategoryAxis.MinorTickMark = TickMarkType.TickMarkNone;

Step 5: Save and Launch to view the resulted PPTX file.

ppt.SaveToFile("Result.pptx", FileFormat.Pptx2007);
System.Diagnostics.Process.Start("Result.pptx");

Effective screenshot:

Set Number Format and remove tick marks on Chart

Full codes:

namespace SetNumberFormatforChartData
{
    class Program
    {
        static void Main(string[] args)
        {
            Presentation ppt = new Presentation();
            ppt.LoadFromFile("sample.pptx");
            IChart chart = ppt.Slides[0].Shapes[3] as IChart;
            chart.PrimaryValueAxis.NumberFormat = "0#\\%";

            chart.PrimaryValueAxis.MajorTickMark = TickMarkType.TickMarkNone;
            chart.PrimaryValueAxis.MinorTickMark = TickMarkType.TickMarkNone;
           
            chart.PrimaryCategoryAxis.MajorTickMark = TickMarkType.TickMarkNone;
            chart.PrimaryCategoryAxis.MinorTickMark = TickMarkType.TickMarkNone;

            ppt.SaveToFile("Result.pptx", FileFormat.Pptx2007);
            System.Diagnostics.Process.Start("Result.pptx");

        }
    }
}

When creating a spreadsheet, you can adjust the layout and appearance of it by setting the row height and column width. Microsoft Excel provides users with various methods to modify column width and row height, such as dragging the boundaries of columns or rows to the desired size, or entering specific values in the column width box or row height box. However, it is crucial for developers to understand how to achieve this functionality through programming. In this article, we will show you how to set row height and column width in Excel by using Spire.XLS for .NET.

Install Spire.XLS for .NET

To begin with, you need to add the DLL files included in the Spire.XLS for.NET package as references in your .NET project. The DLLs files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.XLS

Set the Row Height in Excel

Spire.XLS for .NET supports users to set the row height programmatically by calling Worksheet.SetRowHeight() method. The following are detailed steps.

  • Create an object of Workbook class.
  • Load a sample file using Workbook.LoadFromFile() method.
  • Get the first sheet from this file by using Workbook.Worksheets[] property.
  • Set the height of the first row by calling Worksheet.SetRowHeight() method.
  • Save the result file using Workbook.SaveToFile() method.
  • C#
  • VB.NET
using Spire.Xls;
namespace SetExcelRow
{
    class Program
    {

        static void Main(string[] args)
        {
            //Create an object of  Workbook class
            Workbook workbook = new Workbook();

            //Load a sample file from disk
            workbook.LoadFromFile(@"sample.xlsx");

            //Get the first worksheet from the sample file
            Worksheet sheet = workbook.Worksheets[0];

            //Set the row height of the first row
            sheet.SetRowHeight(1, 25);

            //Save the result file
            workbook.SaveToFile("SetRow.xlsx", ExcelVersion.Version2013);
            workbook.Dispose();
        }
    }
}

C#VB.NET: Set Row Height and Column Width in Excel

Set the Column Width in Excel

What's more, Spire.XLS for .NET also enable users to set the column width in Excel programmatically by calling Worksheet.SetColumnWidth() method. The following are detailed steps.

  • Create an object of Workbook class.
  • Load a sample file using Workbook.LoadFromFile() method.
  • Get the first sheet from this file by using Workbook.Worksheets[] property.
  • Set the width of the fourth column by calling Worksheet.SetColumnWidth() method.
  • Save the result file using Workbook.SaveToFile() method.
  • C#
  • VB.NET
using Spire.Xls;
namespace SetExcelColumn
{
    class Program
    {

        static void Main(string[] args)
        {
            //Create an object of  Workbook class
            Workbook workbook = new Workbook();

            //Load a sample file from disk
            workbook.LoadFromFile(@"sample.xlsx");

            //Get the first worksheet from the sample file
            Worksheet sheet = workbook.Worksheets[0];

            //Set the column width of the fourth column
            sheet.SetColumnWidth(4, 15);

            //Save the result file
            workbook.SaveToFile("SetColumn.xlsx", ExcelVersion.Version2013);
            workbook.Dispose();
        }
    }
}

C#VB.NET: Set Row Height and Column Width in Excel

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

C#/VB.NET: Convert Excel to XPS

2022-08-26 08:43:00 Written by Koohji

XPS (XML Paper Specification) is a specification for a page description language and a fixed-document format developed by Microsoft. It defines the layout of a document and the visual appearance of each page. Sometimes you may need to convert an Excel document to XPS for distribution, archiving or printing purposes, and this article will demonstrate how to accomplish this task programmatically using Spire.XLS for .NET.

Install Spire.XLS for .NET

To begin with, you need to add the DLL files included in the Spire.XLS for .NET package as references in your .NET project. The DLL files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.XLS

Convert Excel to XPS

Spire.XLS for .NET allows you to convert Excel (.xls/ .xlsx) to XPS with only three lines of code. The detailed steps are as follows.

  • Create a Workbook object.
  • Load a sample Excel document using Workbook.LoadFromFile() method.
  • Convert the Excel document to XPS using Workbook.SaveToFile(String, FileFormat) method.
  • C#
  • VB.NET
using Spire.Xls;

namespace ExceltoXPS
{
    class Program
    {
        static void Main(string[] args)
        {

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

            //Load a sample Excel document
            workbook.LoadFromFile(@"E:\Files\\sample0.xlsx", ExcelVersion.Version2010);

            //Convert the document to XPS
            workbook.SaveToFile("result.xps", FileFormat.XPS);
        }
    }
}

C#/VB.NET: Convert Excel to XPS

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

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