IronPDF与GroupDocs的比较

// Initialize list of AnnotationInfo
List<AnnotationInfo> annotations = new List<AnnotationInfo>();
// Initialize text annotation
AnnotationInfo textAnnotation = new AnnotationInfo
{
  Box = new Rectangle((float)265.44, (float)153.86, 206, 36), Type = AnnotationType.Text
};
// Add annotation to list
annotations.Add(textAnnotation);
// Get input file stream
Stream inputFile = new FileStream("D:/input.pdf", FileMode.Open, File
.ReadWrite);
// Export annotation and savthe e output file
CommonUtilities.SaveOutputDocument(inputFile, annotations, DocumentType.Pdf);

' Initialize list of AnnotationInfo
Dim annotations As New List(Of AnnotationInfo)()
' Initialize text annotation
Dim textAnnotation As New AnnotationInfo With {
	.Box = New Rectangle(CSng(265.44), CSng(153.86), 206, 36),
	.Type = AnnotationType.Text
}
' Add annotation to list
annotations.Add(textAnnotation)
' Get input file stream
Dim inputFile As Stream = New FileStream("D:/input.pdf", FileMode.Open, File.ReadWrite)
' Export annotation and savthe e output file
CommonUtilities.SaveOutputDocument(inputFile, annotations, DocumentType.Pdf)

using PdfDocument Pdf = PdfDocument.FromFile("existing.pdf");// Create a PDF annotation object
var Annotation = new IronPdf.Annotations.TextAnnotation()
{
    Title = "This is the major title",
    Subject = "This is a subtitle",
    Contents = "This is the long 'sticky note' comment content...",
    Icon = IronPdf.Annotations.TextAnnotation.AnnotationIcon.Help,
    Opacity = 0.9,
    Printable = false,
    Hidden = false,
    OpenByDefault = true,
    ReadOnly = false,
    Rotateable = true
};
// Add the annotation "sticky note" to a specific page and location within any new or existing PDF.
Pdf.AddTextAnnotation(Annotation, 1, 150, 250);
Pdf.SaveAs("existing.pdf");

IRON VB CONVERTER ERROR developers@ironsoftware.com

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertXlsbToPdfInCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert XLSB to PDF using C#
        {
            // Remove the watermathe rk in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source XLSB file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.xlsb");
            // Set convert options for the PDF document
            var convertOptions = new PdfConvertOptions();
            // Convert and save the XLSB in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

IRON VB CONVERTER ERROR developers@ironsoftware.com

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertVsdxToPdfInCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert VSDX to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source VSDX file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.vsdx");
            // Set the convert options for PDF document
            var convertOptions = new PdfConvertOptions();
            // Convert and save the VSDX in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

IRON VB CONVERTER ERROR developers@ironsoftware.com

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertVsdxToPdfInCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert VSDX to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source VSDX file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.vsdx");
            // Set the convert options for PDF document
            var convertOptions = new PdfConvertOptions();
            // Convert and save the VSDX in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

IRON VB CONVERTER ERROR developers@ironsoftware.com

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertRtfToPdfUsingCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert RTF to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source RTF file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.rtf");
            // Set the properties for the output PDF document
            var convertOptions = new PdfConvertOptions()
            {
                Height = 500,
                Width = 500,
                Dpi = 100,
                PageNumber = 1,
                PagesCount = 1
            };
            // Convert and save the RTF in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

Imports System
Imports GroupDocs.Conversion.Options.Convert
Namespace ConvertRtfToPdfUsingCSharp
	Friend Class Program
		Public Shared Sub Main(ByVal args() As String) ' Main function to convert RTF to PDF using C#
			' Remove the watermark in output PDF document by adding license
			Dim licensePath As String = "GroupDocs.Conversion.lic"
			Dim lic As New GroupDocs.Conversion.License()
			lic.SetLicense(licensePath)
			' Load the source RTF file for conversion to PDF
			Dim converter = New GroupDocs.Conversion.Converter("sample.rtf")
			' Set the properties for the output PDF document
			Dim convertOptions = New PdfConvertOptions() With {
				.Height = 500,
				.Width = 500,
				.Dpi = 100,
				.PageNumber = 1,
				.PagesCount = 1
			}
			' Convert and save the RTF in PDF format
			converter.Convert("converted.pdf", convertOptions)
			Console.WriteLine("Done")
		End Sub
	End Class
End Namespace

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertExcelToPdfInCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert Excel to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source Excel file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.xlsx");
            // Set the starting sheet number and consecutive sheet count
            var convertOptions = new PdfConvertOptions()
            {
                PageNumber = 1,
                PagesCount = 2
            };
            // Convert and save the Excel in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

Imports System
Imports GroupDocs.Conversion.Options.Convert
Namespace ConvertExcelToPdfInCSharp
	Friend Class Program
		Public Shared Sub Main(ByVal args() As String) ' Main function to convert Excel to PDF using C#
			' Remove the watermark in output PDF document by adding license
			Dim licensePath As String = "GroupDocs.Conversion.lic"
			Dim lic As New GroupDocs.Conversion.License()
			lic.SetLicense(licensePath)
			' Load the source Excel file for conversion to PDF
			Dim converter = New GroupDocs.Conversion.Converter("sample.xlsx")
			' Set the starting sheet number and consecutive sheet count
			Dim convertOptions = New PdfConvertOptions() With {
				.PageNumber = 1,
				.PagesCount = 2
			}
			' Convert and save the Excel in PDF format
			converter.Convert("converted.pdf", convertOptions)
			Console.WriteLine("Done")
		End Sub
	End Class
End Namespace

using System;
using GroupDocs.Conversion.Options.Convert;
namespace ConvertExcelToPdfInCSharp
{
    class Program
    {
        public static void Main(string [] args) // Main function to convert Excel to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            // Load the source Excel file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.xlsx");
            // Set the starting sheet number and consecutive sheet count
            var convertOptions = new PdfConvertOptions()
            {
                PageNumber = 1,
                PagesCount = 2
            };
            // Convert and save the Excel in PDF format
            converter.Convert("converted.pdf", convertOptions);
            Console.WriteLine("Done");
        }
    }
}

Imports System
Imports GroupDocs.Conversion.Options.Convert
Namespace ConvertExcelToPdfInCSharp
	Friend Class Program
		Public Shared Sub Main(ByVal args() As String) ' Main function to convert Excel to PDF using C#
			' Remove the watermark in output PDF document by adding license
			Dim licensePath As String = "GroupDocs.Conversion.lic"
			Dim lic As New GroupDocs.Conversion.License()
			lic.SetLicense(licensePath)
			' Load the source Excel file for conversion to PDF
			Dim converter = New GroupDocs.Conversion.Converter("sample.xlsx")
			' Set the starting sheet number and consecutive sheet count
			Dim convertOptions = New PdfConvertOptions() With {
				.PageNumber = 1,
				.PagesCount = 2
			}
			' Convert and save the Excel in PDF format
			converter.Convert("converted.pdf", convertOptions)
			Console.WriteLine("Done")
		End Sub
	End Class
End Namespace

using IronPdf;
var Renderer = new IronPdf.ChromePdfRenderer();
using var PDF = Renderer.RenderHtmlAsPdf("<h1>Html with CSS and Images</h1>")
PDF.SaveAs("pixel-perfect.pdf");
/****** Advanced ******/
// Load external html assets: images, css and javascript.
// An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
using var AdvancedPDF = Renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
AdvancedPDF.SaveAs("html-with-assets.pdf");

Imports IronPdf
Private Renderer = New IronPdf.ChromePdfRenderer()
Private PDF = Renderer.RenderHtmlAsPdf("<h1>Html with CSS and Images</h1>") PDF.SaveAs("pixel-perfect.pdf")
'''**** Advanced *****
' Load external html assets: images, css and javascript.
' An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
Private AdvancedPDF = Renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", "C:\site\assets\")
AdvancedPDF.SaveAs("html-with-assets.pdf")

using IronPdf;
IronPdf.ChromePdfRenderer Renderer = new IronPdf.ChromePdfRenderer();
using var Pdf = Renderer.RenderUrlAsPdf("https://ironpdf.com/");
Pdf.SaveAs("url.pdf");

Imports IronPdf
Private Renderer As New IronPdf.ChromePdfRenderer()
Private Pdf = Renderer.RenderUrlAsPdf("https://ironpdf.com/")
Pdf.SaveAs("url.pdf")

private void Form1_Load(object sender, EventArgs e)
{
    IronPdf.AspxToPdf.RenderThisPageAsPdf();
}

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
	IronPdf.AspxToPdf.RenderThisPageAsPdf()
End Sub

// PM> Install-Package IronPdf
using IronPdf;
using System.IO;
using System.Linq;
// One or more images as IEnumerable.  This example selects all JPEG images in a spe-cific folder.
var ImageFiles = System.IO.Directory.EnumerateFiles(@"C:\project\assets").Where(f => f.EndsWith(".jpg") 
 f.EndsWith(".jpeg"));
// Convert the images to a PDF and save it.
ImageToPdfConverter.ImageToPdf(ImageFiles).SaveAs(@"C:\project\composite.pdf");
//Also see PdfDocument.RasterizeToImageFiles() method to flatten a PDF to images or thumbnails

' PM> Install-Package IronPdf
Imports IronPdf
Imports System.IO
Imports System.Linq
' One or more images as IEnumerable.  This example selects all JPEG images in a spe-cific folder.
Private ImageFiles = System.IO.Directory.EnumerateFiles("C:\project\assets").Where(Function(f) f.EndsWith(".jpg") f.EndsWith(".jpeg"))
' Convert the images to a PDF and save it.
ImageToPdfConverter.ImageToPdf(ImageFiles).SaveAs("C:\project\composite.pdf")
'Also see PdfDocument.RasterizeToImageFiles() method to flatten a PDF to images or thumbnails

// PM> Install-Package IronPdf
using IronPdf;
var htmlWithJs = @"
    <h1>This is HTML</h1>
    <script>
          document.write('<h1>This is JavaScript</h1>');
    </script>";
var Renderer = new IronPdf.ChromePdfRenderer();
Renderer.RenderingOptions.EnableJavaScript = true;
Renderer.RenderingOptions.RenderDelay = 100;
using var pdfdoc = Renderer.RenderHtmlAsPdf(htmlWithJs);
pdfdoc.SaveAs("js.pdf");

' PM> Install-Package IronPdf
Imports IronPdf
Private htmlWithJs = "
    <h1>This is HTML</h1>
    <script>
          document.write('<h1>This is JavaScript</h1>');
    </script>"
Private Renderer = New IronPdf.ChromePdfRenderer()
Renderer.RenderingOptions.EnableJavaScript = True
Renderer.RenderingOptions.RenderDelay = 100
Dim pdfdoc = Renderer.RenderHtmlAsPdf(htmlWithJs)
pdfdoc.SaveAs("js.pdf")

// PM> Install-Package IronPdf
using IronPdf;
var Renderer = new IronPdf.ChromePdfRenderer();
Renderer.RenderingOptions.EnableJavaScript = true;
Renderer.RenderingOptions.RenderDelay = 500;
using var pdfdoc = Renderer.RenderUrlAsPdf("https://angular.io/");
pdfdoc.SaveAs("angular.pdf");

' PM> Install-Package IronPdf
Imports IronPdf
Private Renderer = New IronPdf.ChromePdfRenderer()
Renderer.RenderingOptions.EnableJavaScript = True
Renderer.RenderingOptions.RenderDelay = 500
Dim pdfdoc = Renderer.RenderUrlAsPdf("https://angular.io/")
pdfdoc.SaveAs("angular.pdf")

using (Signature signature = new Signature("D:\\sample.pdf"))
{
TextSignOptions options = new TextSignOptions("John Smith")
{
// set Text color
ForeColor = Color.Red
};
// sign document to file
signature.Sign("D:\\signed.pdf", options);
}

Using signature As New Signature("D:\sample.pdf")
Dim options As New TextSignOptions("John Smith") With {.ForeColor = Color.Red}
' sign document to file
signature.Sign("D:\signed.pdf", options)
End Using

// open an existing PDF document or create a new one
PdfDocument Pdf = PdfDocument.FromFile(@"C:\Path\To\ASPX to PDF.pdf");
var SignatureStamp = new HtmlStamp() { Html = "<img src='signature.png' />", Width = 150, Height = 50, Bottom = 300, Left=85, ZIndex = HtmlStamp.StampLayer.OnTopOfExistingPDFContent };
Pdf.StampHTML(SignatureStamp,1);
Pdf.SaveAs(@"C:\Path\To\ASPX to PDF.pdf");

' open an existing PDF document or create a new one
Dim Pdf As PdfDocument = PdfDocument.FromFile("C:\Path\To\ASPX to PDF.pdf")
Dim SignatureStamp = New HtmlStamp() With {
	.Html = "<img src='signature.png' />",
	.Width = 150,
	.Height = 50,
	.Bottom = 300,
	.Left=85,
	.ZIndex = HtmlStamp.StampLayer.OnTopOfExistingPDFContent
}
Pdf.StampHTML(SignatureStamp,1)
Pdf.SaveAs("C:\Path\To\ASPX to PDF.pdf")

// 123456 below represents the signature password
new IronPdf.PdfSignature("CertificateFile.p12", "123456").SignPdfFile("ASPX to PDF.pdf");

' 123456 below represents the signature password
Call (New IronPdf.PdfSignature("CertificateFile.p12", "123456")).SignPdfFile("ASPX to PDF.pdf")

var Signature = new IronPdf.PdfSignature("Iron.pfx", "123456");
PdfDocument doc = Renderer.RenderHtmlAsPdf("<h1>Testing 2048 bit digital securi-ty</h1>");
// Step 3. Optional signing options and a handwritten Signature graphic
Signature.SigningContact = "support@ironsoftware.com";
Signature.SigningLocation = "Chicago, USA";
Signature.SigningReason = "To show how to sign a PDF";
Signature.LoadSignatureImageFromFile("handwriting.png");
doc.SignPdfWithDigitalSignature(Signature);
doc.SaveAs("ASPX to PDF.pdf"); 

Dim Signature = New IronPdf.PdfSignature("Iron.pfx", "123456")
Dim doc As PdfDocument = Renderer.RenderHtmlAsPdf("<h1>Testing 2048 bit digital securi-ty</h1>")
' Step 3. Optional signing options and a handwritten Signature graphic
Signature.SigningContact = "support@ironsoftware.com"
Signature.SigningLocation = "Chicago, USA"
Signature.SigningReason = "To show how to sign a PDF"
Signature.LoadSignatureImageFromFile("handwriting.png")
doc.SignPdfWithDigitalSignature(Signature)
doc.SaveAs("ASPX to PDF.pdf")

// Load the source PDF file
using (Merger merger = new Merger(@"c:\sample1.pdf"))
{
    // Add another PDF file to merge
    merger.Join(@"c:\sample2.pdf");
    // Merge PDF files and save result
    merger.Save(@"c:\merged.pdf");
}

' Load the source PDF file
Using merger As New Merger("c:\sample1.pdf")
	' Add another PDF file to merge
	merger.Join("c:\sample2.pdf")
	' Merge PDF files and save result
	merger.Save("c:\merged.pdf")
End Using

// PM> Install-Package IronPdf
using IronPdf;
var html_a = @"<p> [PDF_A] </p>
        <p> [PDF_A] 1st Page </p>
        <div style = 'page-break-after: always;' ></div>
        <p> [PDF_A] 2nd Page</p>";
var html_b = @"<p> [PDF_B] </p>
        <p> [PDF_B] 1st Page </p>
        <div style = 'page-break-after: always;' ></div>
        <p> [PDF_B] 2nd Page</p>";
var Renderer = new IronPdf.ChromePdfRenderer();
using var pdfdoc_a = Renderer.RenderHtmlAsPdf(html_a);
using var pdfdoc_b = Renderer.RenderHtmlAsPdf(html_b);
using var merged = IronPdf.PdfDocument.Merge(pdfdoc_a, pdfdoc_b);
merged.SaveAs("Merged.pdf");

' PM> Install-Package IronPdf
Imports IronPdf
Private html_a = "<p> [PDF_A] </p>
        <p> [PDF_A] 1st Page </p>
        <div style = 'page-break-after: always;' ></div>
        <p> [PDF_A] 2nd Page</p>"
Private html_b = "<p> [PDF_B] </p>
        <p> [PDF_B] 1st Page </p>
        <div style = 'page-break-after: always;' ></div>
        <p> [PDF_B] 2nd Page</p>"
Private Renderer = New IronPdf.ChromePdfRenderer()
Private pdfdoc_a = Renderer.RenderHtmlAsPdf(html_a)
Private pdfdoc_b = Renderer.RenderHtmlAsPdf(html_b)
Private merged = IronPdf.PdfDocument.Merge(pdfdoc_a, pdfdoc_b)
merged.SaveAs("Merged.pdf")

// PM> Install-Package IronPdf
using IronPdf;
var html = @"<p> Hello Iron </p>
    <p> This is 1st Page </p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 2nd Page</p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 3rd Page</p>";
var Renderer = new IronPdf.ChromePdfRenderer();
using var pdfdoc = Renderer.RenderHtmlAsPdf(html);
using var pdfdoc_page1 = pdfdoc.CopyPage(0);
pdfdoc_page1.SaveAs("Spli1.pdf");
using var pdfdoc_page2_3 = pdfdoc.CopyPages(1, 2);
pdfdoc_page2_3.SaveAs("Spli2.pdf");
//take the pages 2 & 3

' PM> Install-Package IronPdf
Imports IronPdf
Private html = "<p> Hello Iron </p>
    <p> This is 1st Page </p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 2nd Page</p>
    <div style = 'page-break-after: always;' ></div>
    <p> This is 3rd Page</p>"
Private Renderer = New IronPdf.ChromePdfRenderer()
Private pdfdoc = Renderer.RenderHtmlAsPdf(html)
Private pdfdoc_page1 = pdfdoc.CopyPage(0)
pdfdoc_page1.SaveAs("Spli1.pdf")
Dim pdfdoc_page2_3 = pdfdoc.CopyPages(1, 2)
pdfdoc_page2_3.SaveAs("Spli2.pdf")
'take the pages 2 & 3

string filePath = @"c:\sample.docx";
string filePathOut = @"c:\output\document_{0}.{1}";
SplitOptions splitOptions = new SplitOptions(filePathOut, new int [] { 3, 6, 8 });
using (Merger merger = new Merger(filePath))
{
     merger.Split(splitOptions);
}

Dim filePath As String = "c:\sample.docx"
Dim filePathOut As String = "c:\output\document_{0}.{1}"
Dim splitOptions As New SplitOptions(filePathOut, New Integer () { 3, 6, 8 })
Using merger As New Merger(filePath)
	 merger.Split(splitOptions)
End Using

string filePath = @"c:\sample.docx";
string filePathOut = @"c:\output\document_{0}.{1}";
SplitOptions splitOptions = new SplitOptions(filePathOut, 3, 7);
using (Merger merger = new Merger(filePath))
{
     merger.Split(splitOptions);
}

Dim filePath As String = "c:\sample.docx"
Dim filePathOut As String = "c:\output\document_{0}.{1}"
Dim splitOptions As New SplitOptions(filePathOut, 3, 7)
Using merger As New Merger(filePath)
	 merger.Split(splitOptions)
End Using

string filePath = @"c:\sample.docx";
string filePathOut = @"c:\output\document_{0}.{1}";
SplitOptions splitOptions = new SplitOptions(filePathOut, 3, 7, RangeMode.OddPages);
using (Merger merger = new Merger(filePath))
{
     merger.Split(splitOptions);
}

Dim filePath As String = "c:\sample.docx"
Dim filePathOut As String = "c:\output\document_{0}.{1}"
Dim splitOptions As New SplitOptions(filePathOut, 3, 7, RangeMode.OddPages)
Using merger As New Merger(filePath)
	 merger.Split(splitOptions)
End Using

string filePath = @"c:\sample.docx";
string filePathOut = @"c:\output\document_{0}.{1}";
SplitOptions splitOptions = new SplitOptions(filePathOut, new int [] { 3, 6, 8 }, Split-Mode.Interval);
using (Merger merger = new Merger(filePath))
{
     merger.Split(splitOptions);
}

Dim filePath As String = "c:\sample.docx"
Dim filePathOut As String = "c:\output\document_{0}.{1}"
Dim splitOptions As New SplitOptions(filePathOut, New Integer () { 3, 6, 8 }, Split-Mode.Interval)
Using merger As New Merger(filePath)
	 merger.Split(splitOptions)
End Using