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Merge branch 'development' of https://github.com/syncfusion-content/document-processing-docs into 1013996-SmartDataExtractor
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‎Document-Processing-toc.html‎

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<li><a href="/document-processing/pdf/pdf-viewer/react/how-to/custom-fonts">Custom fonts</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/forms/form-field-events">Form Field events</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/forms/form-fields-api">APIs</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/forms/flatten-form-fields">Flatten form fields</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/forms/read-form-field-values">Read form fields</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/forms/submit-form-data">Submit form data</a></li>
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</ul>
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</li>
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<li><a href="/document-processing/pdf/pdf-viewer/react/organize-pages/overview">Organize Pages</a>
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<li>
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UI
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<ul>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Toolbar">Toolbar</a></li>
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<li>
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<a href="/document-processing/pdf/pdf-viewer/maui/Toolbar">Toolbar</a>
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<ul>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Toolbar">Overview</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Toolbar-Customization">Customize Toolbar</a></li>
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</ul>
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</li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/UI-Customization">Customization</a></li>
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</ul>
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</li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Magnification">Magnification</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Text-Search">Text Search</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Text-Selection">Text Selection</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Redaction">Redaction</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling">Form Filling</a></li>
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<li>
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<a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Overview">Form Filling</a>
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<ul>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Overview">Overview</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Edit">Edit Form Fields</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Collection">Form Field Collection</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Customization">Customize Form Fields</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Show-Hide">Show and Hide Form Fields</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Validation">Form Field Validation</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Events">Form Field Events</a></li>
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<li><a href="/document-processing/pdf/pdf-viewer/maui/Form-Filling-Import-Export">Import and Export Form Data</a></li>
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</ul>
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</li>
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<li>
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<a href="/document-processing/pdf/pdf-viewer/maui/Annotations-Overview">Annotations</a>
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<ul>
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</li>
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</ul>
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</li>
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<li>
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<li>SmartDataExtractor
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<ul>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/overview">SmartFormRecognizer</a>
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<li> NET
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<ul>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/smart-form-recognizer">OverView</a>
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</li>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/assemblies-required">Assemblies Required</a>
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</li>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/nuGet-packages-required">NuGet Packages Required</a>
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</li>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/working-with-recognize-option">Working With Recognize Options</a>
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</li>
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<li>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/recognize-forms">Recognize Forms</a>
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</li>
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</ul>
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</li>
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</li>
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</ul>
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</li>
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</li>
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<li>
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<a href="/document-processing/word/overview">Word</a>
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<ul>

Document-Processing/Excel/Spreadsheet/React/Open-Excel-File/from-google-drive.md renamed to Document-Processing/Excel/Spreadsheet/React/open-excel-file/from-google-drive.md

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Document-Processing/Excel/Spreadsheet/React/Save-Excel-File/to-google-drive.md renamed to Document-Processing/Excel/Spreadsheet/React/save-excel-file/to-google-drive.md

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‎Document-Processing/PDF/PDF-Library/NET/Working-with-Pages.md‎

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{% endtabs %}
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You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/PDF-Examples/tree/master/Pages/Insert-New-Page-in-Existing-PDF-with-Same-Size/.NET).
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## Page-level actions in PDF documents
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Added full support for page‑level actions in the .NET PDF library, enabling developers to add, retrieve, edit, and remove actions triggered by PDF page events such as `OnOpen` and `OnClose`.
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Refer to the following code example to define custom behavior for PDF page‑level actions.
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{% tabs %}
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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using Syncfusion.Pdf;
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using Syncfusion.Pdf.Interactive;
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// Create a new PDF document.
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using (PdfDocument document = new PdfDocument())
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{
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// Add a page to the document.
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PdfPage page1 = document.Pages.Add();
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document.Actions.AfterOpen =
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// Create and add new JavaScript action to execute when the first page opens
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Page1.Actions.OnOpen = new PdfJavaScriptAction("app.alert(\"Welcome! This page has just been opened.\");");
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// Create and add new URI action to execute when the first page closes
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Page1.Actions.OnClose = new PdfUriAction("http://www.google.com");
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// Add second page to the document.
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PdfPage page2 = document.Pages.Add();
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// Create a sound action
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PdfSoundAction soundAction = new PdfSoundAction("Startup.wav");
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soundAction.Sound.Bits = 16;
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soundAction.Sound.Channels = PdfSoundChannels.Stereo;
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soundAction.Sound.Encoding = PdfSoundEncoding.Signed;
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soundAction.Volume = 0.9f;
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// Set the sound action to execute when the second page opens
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Page2.Actions.OnOpen = soundAction;
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// Create and add new Launch action to execute when the second page closes
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Page2.Actions.OnClose = new PdfLaunchAction("logo.png");
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// Removing the close action on first page
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Page1.Actions.OnClose = null;
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// Removing both open and close actions on second page
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Page2.Actions.Clear(true);
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//Save the document
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document.Save("Output.pdf");
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}
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{% endhighlight %}
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{% highlight c# tabtitle="C# [Windows-specific]" %}
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using Syncfusion.Pdf;
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using Syncfusion.Pdf.Interactive;
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// Create a new PDF document.
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using (PdfDocument document = new PdfDocument())
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{
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// Add a page to the document.
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PdfPage page1 = document.Pages.Add();
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document.Actions.AfterOpen =
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// Create and add new JavaScript action to execute when the first page opens
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Page1.Actions.OnOpen = new PdfJavaScriptAction("app.alert(\"Welcome! This page has just been opened.\");");
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// Create and add new URI action to execute when the first page closes
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Page1.Actions.OnClose = new PdfUriAction("http://www.google.com");
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// Add second page to the document.
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PdfPage page2 = document.Pages.Add();
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// Create a sound action
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PdfSoundAction soundAction = new PdfSoundAction("Startup.wav");
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soundAction.Sound.Bits = 16;
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soundAction.Sound.Channels = PdfSoundChannels.Stereo;
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soundAction.Sound.Encoding = PdfSoundEncoding.Signed;
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soundAction.Volume = 0.9f;
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// Set the sound action to execute when the second page opens
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Page2.Actions.OnOpen = soundAction;
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// Create and add new Launch action to execute when the second page closes
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Page2.Actions.OnClose = new PdfLaunchAction("logo.png");
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// Removing the close action on first page
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Page1.Actions.OnClose = null;
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// Removing both open and close actions on second page
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Page2.Actions.Clear(true);
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//Save the document
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document.Save("Output.pdf");
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}
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{% endhighlight %}
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{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
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Imports Syncfusion.Pdf
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Imports Syncfusion.Pdf.Interactive
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' Create a new PDF document.
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Using document As New PdfDocument()
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' Add a page to the document.
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Dim page1 As PdfPage = document.Pages.Add()
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' Create and add new JavaScript action to execute when the first page opens
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page1.Actions.OnOpen = New PdfJavaScriptAction("app.alert(""Welcome! This page has just been opened."");")
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' Create and add new URI action to execute when the first page closes
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page1.Actions.OnClose = New PdfUriAction("http://www.google.com")
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' Add second page to the document.
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Dim page2 As PdfPage = document.Pages.Add()
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' Create a sound action
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Dim soundAction As New PdfSoundAction("Startup.wav")
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soundAction.Sound.Bits = 16
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soundAction.Sound.Channels = PdfSoundChannels.Stereo
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soundAction.Sound.Encoding = PdfSoundEncoding.Signed
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soundAction.Volume = 0.9F
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' Set the sound action to execute when the second page opens
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page2.Actions.OnOpen = soundAction
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' Create and add new Launch action to execute when the second page closes
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page2.Actions.OnClose = New PdfLaunchAction("logo.png")
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' Removing the close action on first page
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page1.Actions.OnClose = Nothing
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' Removing both open and close actions on second page
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page2.Actions.Clear(True)
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' Save the document
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document.Save("Output.pdf")
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End Using
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{% endhighlight %}
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{% endtabs %}

‎Document-Processing/PDF/PDF-Library/javascript/DigitalSignature.md‎

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{% endhighlight %}
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{% endtabs %}
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## Adding a timestamp in digital signature
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This example shows how to apply a digital signature with a trusted timestamp, ensuring the signature remains valid even after the certificate expires. A timestamp callback contacts a Time Stamping Authority (TSA) to add an official time record to the signature. This provides long‑term proof of when the document was signed.
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{% tabs %}
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{% highlight typescript tabtitle="TypeScript" %}
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import { PdfDocument, PdfPage, PdfForm, PdfSignatureField, PdfSignature, CryptographicStandard, DigestAlgorithm } from '@syncfusion/ej2-pdf';
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// Load the document
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let document: PdfDocument = new PdfDocument(data);
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// Gets the first page of the document
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let page: PdfPage = document.getPage(0);
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// Access the PDF form
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let form: PdfForm = document.form;
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// Create a new signature field
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let field: PdfSignatureField = new PdfSignatureField(page, 'Signature', {x: 10, y: 10, width: 100, height: 50});
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// Create a timestamp callback
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async function timestampCallback(request: Uint8Array): Promise<{ response: Uint8Array }> {
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// Implement timestamp response logic here
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return { response: new Uint8Array() }; // Placeholder return
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}
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// Create a new signature using PFX data, private key and call back function for timestamp
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const signature: PdfSignature = PdfSignature.create(certData, password, { cryptographicStandard: CryptographicStandard.cms, digestAlgorithm: DigestAlgorithm.sha256 }, timestampCallback);
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// Sets the signature to the field
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field.setSignature(signature);
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// Add the field into PDF form
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form.add(field);
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// Save the document
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await document.saveAsync('output.pdf');
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// Destroy the document
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document.destroy();
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{% endhighlight %}
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{% highlight javascript tabtitle="JavaScript" %}
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// Load the document
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var document = new ej.pdf.PdfDocument(data);
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// Gets the first page of the document
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var page = document.getPage(0);
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// Access the PDF form
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var form = document.form;
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// Create a new signature field
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var field = new ej.pdf.PdfSignatureField(page, 'Signature', {x: 10, y: 10, width: 100, height: 50});
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// Create a timestamp callback
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async function timestampCallback(request) {
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// Implement timestamp response logic here
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return { response: new Uint8Array() }; // Placeholder return
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}
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// Create a new signature using PFX data, private key and call back function for timestamp
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const signature = PdfSignature.create(certData, password, { cryptographicStandard: ej.pdf.CryptographicStandard.cms, digestAlgorithm: ej.pdf.DigestAlgorithm.sha256 }, timestampCallback);
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// Sets the signature to the field
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field.setSignature(signature);
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// Add the field into PDF form
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form.add(field);
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// Save the document
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await document.saveAsync('output.pdf');
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// Destroy the document
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document.destroy();
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{% endhighlight %}
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{% endtabs %}
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## Drawing text/image in the Signature Appearance
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This example demonstrates how to create a visible signature field, apply a CMS (SHA-256) digital signature with signer information, customize the signature appearance using a base64-encoded image, and save the signed PDF document.

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