PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);
for (int i = 0; i < pdf.Pages.Count; i++)
{
	PdfPageBase page = pdf.Pages[i] ;
	PdfTextReplacer replacer = new PdfTextReplacer(page);
	PdfTextReplaceOptions replaceOptions = new PdfTextReplaceOptions();
	RectangleF rectangle = new RectangleF(10, 0, 841, 150);
	replaceOptions.SetReplacementArea(rectangle);
	replaceOptions.ReplaceType = PdfTextReplaceOptions.ReplaceActionType.IgnoreCase;
	replacer.Options = replaceOptions;
	replacer.ReplaceAllText("sql", "123456");
}
pdf.SaveToFile(outputFile);
pdf.Dispose();

PdfDocument doc = new PdfDocument();
doc.LoadFromFile(inputFile);
PdfFormWidget formWidget = (PdfFormWidget)doc.Form;
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine("btnAction:");
for (int i = 0; i < formWidget.FieldsWidget.Count; ++i)
{
	var field = formWidget.FieldsWidget[i] as PdfButtonWidgetFieldWidget;
	if (field.Actions.MouseUp != null && field.Actions.MouseUp is PdfNamedAction)
	{
		var aaa = (PdfNamedAction)field.Actions.MouseUp;
		stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseUp-" + aaa.Destination.ToString());
	}
	else if (field.Actions.MouseDown != null && field.Actions.MouseDown is PdfNamedAction)
	{

		var aaa = (PdfNamedAction)field.Actions.MouseDown;
		stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseDown--" + aaa.Destination.ToString());
	}
	else if (field.Actions.MouseDown != null && field.Actions.MouseDown is PdfUriAction)
	{

		var aaa = (PdfUriAction)field.Actions.MouseDown;
		stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseDown--" + aaa.Uri.ToString());
	}
	else if (field.Actions.MouseUp != null && field.Actions.MouseUp is PdfUriAction)
	{
		var aaa = (PdfUriAction)field.Actions.MouseUp;
		stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseUp-" + aaa.Uri.ToString());
	}
	else if (field.Actions.MouseDown != null && field.Actions.MouseDown is PdfGotoNameAction) 
	{
		var aaa = (PdfGotoNameAction)field.Actions.MouseDown;
		stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseDown-" + aaa.Destination.ToString());
	}

}
File.WriteAllText(outputFile, stringBuilder.ToString());
doc.Dispose();

PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);
PdfPageBase page = pdf.Pages[0];
PdfTextReplacer replacer = new PdfTextReplacer(page);
int count = replacer.ReplaceAllText("SQL", "ABC");

PdfMultiPageLayout printParameters = pdf.PrintSettings.SelectMultiPageLayout(1, 2);
printParameters.AutoRotate = true;
pdf.PrintSettings.Duplex = Duplex.Horizontal;

PdfDocument doc = new PdfDocument();
		doc.LoadFromFile(inputFile);
		PdfFormWidget formWidget = (PdfFormWidget)doc.Form;
		StringBuilder stringBuilder = new StringBuilder();
		stringBuilder.AppendLine("btnAction:");
		for (int i = 0; i < formWidget.FieldsWidget.Count; ++i)
		{
				var field = formWidget.FieldsWidget[i] as PdfButtonWidgetFieldWidget;
				if (field.Actions.MouseUp != null && field.Actions.MouseUp is PdfNamedAction)
				{
					var mouseUp = (PdfNamedAction)field.Actions.MouseUp;
					stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseUp-" + mouseUp.Destination.ToString());
				}
				else if (field.Actions.MouseDown != null && field.Actions.MouseDown is PdfNamedAction)
				{
					var mouseDown = (PdfNamedAction)field.Actions.MouseDown;
					stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseDown--" + mouseDown.Destination.ToString());
				}
				else if (field.Actions.MouseDown != null && field.Actions.MouseDown is PdfUriAction)
				{
					var mouseDown = (PdfUriAction)field.Actions.MouseDown;
					stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseDown--" + mouseDown.Uri.ToString());
				}
				else if (field.Actions.MouseUp != null && field.Actions.MouseUp is PdfUriAction)
				{
					var mouseUp = (PdfUriAction)field.Actions.MouseUp;
					stringBuilder.AppendLine(formWidget.FieldsWidget[i].Name + "-MouseUp-" + mouseUp.Uri.ToString());
				}

		}
		File.WriteAllText(outputFile, stringBuilder.ToString());
		doc.Dispose();

// Create a PdfDocument object
PdfDocument doc = new PdfDocument();           
// Load a PDF file
doc.LoadFromFile(inputFile);            
// Initialize a StringBuilder to store extracted text
StringWriter highlightedTextWriter = new StringWriter();           
// Loop through each page in the document
foreach (PdfPageBase page in doc.Pages)
{
	// Get all annotations on the page
	PdfAnnotationCollection annotations = page.Annotations;                
	// Loop through the annotations
	foreach (PdfAnnotation annotation in annotations)
	{
		// Check if the annotation is a highlight annotation
		if (annotation is PdfTextMarkupAnnotationWidget highlightAnnotation)
		{
			if (highlightAnnotation.TextMarkupAnnotationType == PdfTextMarkupAnnotationType.Highlight)
			{
				PdfBrush brush = PdfBrushes.Red;
				PdfPen pen = new PdfPen(brush, 1f);                          
				for (int i = 0;i

PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);
for (int i = 0; i < pdf.Pages.Count; i++)
{
	PdfPageBase page = pdf.Pages[i];
	PdfAnnotationCollection ancoll = page.Annotations;
	for (int j = 0; j < ancoll.Count; j++)
	{
		PdfRichMediaAnnotationWidget MediaWidget = ancoll[j] as PdfRichMediaAnnotationWidget;
		byte[] data = MediaWidget.RichMediaData;
		string embedFileName = MediaWidget.RichMediaName;
		File.WriteAllBytes(outputFile + embedFileName,data);
	}
}

ChromeHtmlConverter converter = new ChromeHtmlConverter(TestUtil.ChromiumPath);
converter.Logger = new Logger(logFilePath);
//Enable IsEnabled to output logs to the console
//Logger.IsEnabled = true; 
ConvertOptions options = new ConvertOptions();

annotation.Title = "test";

PdfToMarkdownConverter converter = new PdfToMarkdownConverter(inputFile); converter.MarkdownOptions.IgnoreImage = true; 
converter.ConvertToMarkdown(outputFile);

PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);

X509Certificate2 cert = new X509Certificate2(inputFile_pfx, "e-iceblue");
IPdfSignatureFormatter formatter = new PdfPKCS7Formatter(cert, false);
PdfMDPSignatureMaker pdfMDPSignatureMaker = new PdfMDPSignatureMaker(pdf, formatter);

PdfSignature signature = pdfMDPSignatureMaker.Signature;
signature.Name = "e-iceblue";
signature.ContactInfo = "028-81705109";
signature.Location = "chengdu";
signature.Reason = " this document";

PdfSignatureAppearance appearance = new PdfSignatureAppearance(signature);
appearance.NameLabel = "Signer: ";
appearance.ContactInfoLabel = "ContactInfo: ";
appearance.LocationLabel = "Loaction: ";
appearance.ReasonLabel = "Reason: ";

pdfMDPSignatureMaker.MakeSignature("signName", pdf.Pages[0], 100, 100, 250, 200, appearance);
pdf.SaveToFile(outputFile, FileFormat.PDF);
pdf.Dispose();

PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);
PdfFormWidget widgets = pdf.Form as PdfFormWidget;
for (int i = 0; i < widgets.FieldsWidget.List.Count; i++)
{
    PdfFieldWidget widget = widgets.FieldsWidget.List[i] as PdfFieldWidget;
    if (widget is PdfSignatureFieldWidget)
    {
        string originalName = widget.Name;
        X509Certificate2 cert = new X509Certificate2(inputFile_pfx, "e-iceblue");
        IPdfSignatureFormatter formatter = new PdfPKCS7Formatter(cert, false);

        // PdfMDPSignatureMaker signatureMaker = new PdfMDPSignatureMaker(pdf, formatter);
        PdfOrdinarySignatureMaker signatureMaker = new PdfOrdinarySignatureMaker(pdf, formatter);

        PdfSignature signature = signatureMaker.Signature;
        signature.Name = "E-iceblue";
        signature.ContactInfo = "028-81705109";
        signature.Location = "chengdu";
        signature.Reason = "document";

        PdfSignatureAppearance appearance = new PdfSignatureAppearance(signature);
        appearance.NameLabel = "Signer: ";
        appearance.ContactInfoLabel = "ContactInfo: ";
        appearance.LocationLabel = "Loaction: ";
        appearance.ReasonLabel = "Reason: ";
        appearance.SignatureImage = PdfImage.FromFile(inputFile_Img);
        appearance.GraphicMode = GraphicMode.SignImageAndSignDetail;

        signatureMaker.MakeSignature(originalName, appearance);
    }
}
pdf.SaveToFile(outputFile);
pdf.Dispose();