Erste Schritte mit der IronPDF C# PDF-Bibliothek

IronPdf.License.LicenseKey = "YOUR-IRONPDF-LICENSE-KEY";

IronPdf.License.LicenseKey = "YOUR-IRONPDF-LICENSE-KEY"

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>");
pdf.SaveAs("html-string.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()
Private pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>")
pdf.SaveAs("html-string.pdf")

using IronPdf;

// Create a PDF from an existing HTML using C#
ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlFileAsPdf("Assets/MyHTML.html");
pdf.SaveAs("MyPdf.pdf");

Imports IronPdf

' Create a PDF from an existing HTML using C#
Private renderer As New ChromePdfRenderer()
Private pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("Assets/MyHTML.html")
pdf.SaveAs("MyPdf.pdf")

using IronPdf;

// Create a PDF from any existing web page
ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Portable_Document_Format");
pdf.SaveAs("wikipedia.pdf");

Imports IronPdf

' Create a PDF from any existing web page
Private renderer As New ChromePdfRenderer()
Private pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Portable_Document_Format")
pdf.SaveAs("wikipedia.pdf")

using IronPdf;
using System;
using System.Web.UI;

namespace WebApplication
{
    public partial class _Default : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            AspxToPdf.RenderThisPageAsPdf(AspxToPdf.FileBehavior.InBrowser);
        }
    }
}

Imports IronPdf
Imports System
Imports System.Web.UI

Namespace WebApplication
	Partial Public Class _Default
		Inherits Page

		Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
			AspxToPdf.RenderThisPageAsPdf(AspxToPdf.FileBehavior.InBrowser)
		End Sub
	End Class
End Namespace

using IronPdf;
using System;
using System.Web.Mvc;

namespace WebApplication8.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            using var PDF = IronPdf.ChromePdfRenderer.StaticRenderUrlAsPdf(new Uri("https://en.wikipedia.org"));
            return File(PDF.BinaryData, "application/pdf", "Wiki.Pdf");
        }
        public ActionResult About()
        {
            ViewBag.Message = "Your application description page.";
            return View();
        }
        public ActionResult Contact()
        {
            ViewBag.Message = "Your contact page.";
            return View();
        }
    }
}

Imports IronPdf
Imports System
Imports System.Web.Mvc

Namespace WebApplication8.Controllers
	Public Class HomeController
		Inherits Controller

		Public Function Index() As ActionResult
			Dim PDF = IronPdf.ChromePdfRenderer.StaticRenderUrlAsPdf(New Uri("https://en.wikipedia.org"))
			Return File(PDF.BinaryData, "application/pdf", "Wiki.Pdf")
		End Function
		Public Function About() As ActionResult
			ViewBag.Message = "Your application description page."
			Return View()
		End Function
		Public Function Contact() As ActionResult
			ViewBag.Message = "Your contact page."
			Return View()
		End Function
	End Class
End Namespace

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions.FirstPageNumber = 1;

// Header options
renderer.RenderingOptions.TextHeader.DrawDividerLine = true;
renderer.RenderingOptions.TextHeader.CenterText = "{url}";
renderer.RenderingOptions.TextHeader.Font = IronSoftware.Drawing.FontTypes.Helvetica;
renderer.RenderingOptions.TextHeader.FontSize = 12;

// Footer options
renderer.RenderingOptions.TextFooter.DrawDividerLine = true;
renderer.RenderingOptions.TextHeader.Font = IronSoftware.Drawing.FontTypes.Arial;
renderer.RenderingOptions.TextFooter.FontSize = 10;
renderer.RenderingOptions.TextFooter.LeftText = "{date} {time}";
renderer.RenderingOptions.TextFooter.RightText = "{page} of {total-pages}";

PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>");
pdf.SaveAs("html-string.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()
renderer.RenderingOptions.FirstPageNumber = 1

' Header options
renderer.RenderingOptions.TextHeader.DrawDividerLine = True
renderer.RenderingOptions.TextHeader.CenterText = "{url}"
renderer.RenderingOptions.TextHeader.Font = IronSoftware.Drawing.FontTypes.Helvetica
renderer.RenderingOptions.TextHeader.FontSize = 12

' Footer options
renderer.RenderingOptions.TextFooter.DrawDividerLine = True
renderer.RenderingOptions.TextHeader.Font = IronSoftware.Drawing.FontTypes.Arial
renderer.RenderingOptions.TextFooter.FontSize = 10
renderer.RenderingOptions.TextFooter.LeftText = "{date} {time}"
renderer.RenderingOptions.TextFooter.RightText = "{page} of {total-pages}"

Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>")
pdf.SaveAs("html-string.pdf")

using IronPdf;
using System;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Build a footer using html to style the text
// mergeable fields are:
// {page} {total-pages} {url} {date} {time} {html-title} & {pdf-title}
renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter()
{
    MaxHeight = 30,
    HtmlFragment = "<center><i>{page} of {total-pages}<i></center>",
    DrawDividerLine = true
};

// Build a header using an image asset
// Note the use of BaseUrl to set a relative path to the assets
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
{
    MaxHeight = 30,
    HtmlFragment = "<img src='logo.jpg'>",
    BaseUrl = new Uri(@"C:\assets\images").AbsoluteUri
};
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>");
pdf.SaveAs("html-string.pdf");

Imports IronPdf
Imports System

Private renderer As New ChromePdfRenderer()

' Build a footer using html to style the text
' mergeable fields are:
' {page} {total-pages} {url} {date} {time} {html-title} & {pdf-title}
renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter() With {
	.MaxHeight = 30,
	.HtmlFragment = "<center><i>{page} of {total-pages}<i></center>",
	.DrawDividerLine = True
}

' Build a header using an image asset
' Note the use of BaseUrl to set a relative path to the assets
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {
	.MaxHeight = 30,
	.HtmlFragment = "<img src='logo.jpg'>",
	.BaseUrl = (New Uri("C:\assets\images")).AbsoluteUri
}
Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>")
pdf.SaveAs("html-string.pdf")

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>");
pdf.Password = "strong!@#pass&^%word";
pdf.SaveAs("secured.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()
Private pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World<h1>")
pdf.Password = "strong!@#pass&^%word"
pdf.SaveAs("secured.pdf")

using IronPdf;
using System.Collections.Generic;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Join Multiple Existing PDFs into a single document
List<PdfDocument> pdfs = new List<PdfDocument>();
pdfs.Add(PdfDocument.FromFile("A.pdf"));
pdfs.Add(PdfDocument.FromFile("B.pdf"));
pdfs.Add(PdfDocument.FromFile("C.pdf"));
PdfDocument mergedPdfDocument = PdfDocument.Merge(pdfs);
mergedPdfDocument.SaveAs("merged.pdf");

// Add a cover page
mergedPdfDocument.PrependPdf(renderer.RenderHtmlAsPdf("<h1>Cover Page</h1><hr>"));

// Remove the last page from the PDF and save again
mergedPdfDocument.RemovePage(mergedPdfDocument.PageCount - 1);
mergedPdfDocument.SaveAs("merged.pdf");

// Copy pages 1,2 and save them as a new document.
mergedPdfDocument.CopyPages(1, 2).SaveAs("exerpt.pdf");
foreach (PdfDocument pdfDocument in pdfs)
{
    pdfDocument.Dispose();
}

Imports IronPdf
Imports System.Collections.Generic

Private renderer As New ChromePdfRenderer()

' Join Multiple Existing PDFs into a single document
Private pdfs As New List(Of PdfDocument)()
pdfs.Add(PdfDocument.FromFile("A.pdf"))
pdfs.Add(PdfDocument.FromFile("B.pdf"))
pdfs.Add(PdfDocument.FromFile("C.pdf"))
Dim mergedPdfDocument As PdfDocument = PdfDocument.Merge(pdfs)
mergedPdfDocument.SaveAs("merged.pdf")

' Add a cover page
mergedPdfDocument.PrependPdf(renderer.RenderHtmlAsPdf("<h1>Cover Page</h1><hr>"))

' Remove the last page from the PDF and save again
mergedPdfDocument.RemovePage(mergedPdfDocument.PageCount - 1)
mergedPdfDocument.SaveAs("merged.pdf")

' Copy pages 1,2 and save them as a new document.
mergedPdfDocument.CopyPages(1, 2).SaveAs("exerpt.pdf")
For Each pdfDocument As PdfDocument In pdfs
	pdfDocument.Dispose()
Next pdfDocument

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("A.pdf");

// Get all text
string allText = pdf.ExtractAllText();

// Get all Images
var allImages = pdf.ExtractAllImages();

// Or even find the images and text by page
for (var index = 0 ; index < pdf.PageCount ; index++)
{
    int pageNumber = index + 1;
    string pageText = pdf.ExtractTextFromPage(index);
    var pageImages = pdf.ExtractImagesFromPage(index);
}

Imports IronPdf

Private pdf As PdfDocument = PdfDocument.FromFile("A.pdf")

' Get all text
Private allText As String = pdf.ExtractAllText()

' Get all Images
Private allImages = pdf.ExtractAllImages()

' Or even find the images and text by page
For index = 0 To pdf.PageCount - 1
	Dim pageNumber As Integer = index + 1
	Dim pageText As String = pdf.ExtractTextFromPage(index)
	Dim pageImages = pdf.ExtractImagesFromPage(index)
Next index

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions.WaitFor.RenderDelay(500);
renderer.RenderingOptions = new ChromePdfRenderOptions()
{
    EnableJavaScript = true,
};

IRON VB CONVERTER ERROR developers@ironsoftware.com

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("Invoice.pdf", "password");

// Get all text
string text = pdf.ExtractAllText();

Imports IronPdf

Private pdf As PdfDocument = PdfDocument.FromFile("Invoice.pdf", "password")

' Get all text
Private text As String = pdf.ExtractAllText()

using IronOcr;
using System;

IronTesseract ocr = new IronTesseract();
using (OcrInput Input = new OcrInput())
{
    // OCR entire document
    Input.LoadPdf("Invoice.pdf", Password: "password");

    // Use filters to increase image quality
    Input.Deskew();
    Input.DeNoise();

    OcrResult Result = ocr.Read(Input);

    Console.WriteLine(Result.Text);
    var Barcodes = Result.Barcodes;
    string Text = Result.Text;
}

Imports IronOcr
Imports System

Private ocr As New IronTesseract()
Using Input As New OcrInput()
	' OCR entire document
	Input.LoadPdf("Invoice.pdf", Password:= "password")

	' Use filters to increase image quality
	Input.Deskew()
	Input.DeNoise()

	Dim Result As OcrResult = ocr.Read(Input)

	Console.WriteLine(Result.Text)
	Dim Barcodes = Result.Barcodes
	Dim Text As String = Result.Text
End Using

using IronPdf;
using System.Text;

ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions.SetCustomPaperSizeInInches(12.5, 20);
renderer.RenderingOptions.PrintHtmlBackgrounds = true;
renderer.RenderingOptions.PaperOrientation = IronPdf.Rendering.PdfPaperOrientation.Portrait;
renderer.RenderingOptions.Title = "My PDF Document Name";
renderer.RenderingOptions.EnableJavaScript = true;
renderer.RenderingOptions.WaitFor.RenderDelay(50);
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Screen;
renderer.RenderingOptions.GrayScale = false;
renderer.RenderingOptions.FitToPaperMode = IronPdf.Engines.Chrome.FitToPaperModes.Automatic;
renderer.RenderingOptions.InputEncoding = Encoding.UTF8;
renderer.RenderingOptions.Zoom = 100;
renderer.RenderingOptions.CreatePdfFormsFromHtml = true;

// Change margins (millimeters)
renderer.RenderingOptions.MarginTop = 40;
renderer.RenderingOptions.MarginLeft = 20;
renderer.RenderingOptions.MarginRight = 20;
renderer.RenderingOptions.MarginBottom = 40;

// Use 2 if a cover page will be appended
renderer.RenderingOptions.FirstPageNumber = 1;
renderer.RenderHtmlFileAsPdf("my-content.html").SaveAs("my-content.pdf");

IRON VB CONVERTER ERROR developers@ironsoftware.com