diff --git a/Signature/Add_ESign/App.config b/Signature/Add_ESign/App.config
new file mode 100644
index 0000000..4b657bf
--- /dev/null
+++ b/Signature/Add_ESign/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Signature/Add_ESign/App.xaml b/Signature/Add_ESign/App.xaml
new file mode 100644
index 0000000..21c06d5
--- /dev/null
+++ b/Signature/Add_ESign/App.xaml
@@ -0,0 +1,9 @@
+
+
+
+
+
diff --git a/Signature/Add_ESign/App.xaml.cs b/Signature/Add_ESign/App.xaml.cs
new file mode 100644
index 0000000..aa09e11
--- /dev/null
+++ b/Signature/Add_ESign/App.xaml.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace PDFViewer_WPF
+{
+ ///
+ /// Interaction logic for App.xaml
+ ///
+ public partial class App : Application
+ {
+ }
+}
diff --git a/Signature/Add_ESign/Data/Ink signature.pdf b/Signature/Add_ESign/Data/Ink signature.pdf
new file mode 100644
index 0000000..4d4b5cd
Binary files /dev/null and b/Signature/Add_ESign/Data/Ink signature.pdf differ
diff --git a/Signature/Add_ESign/Data/John.png b/Signature/Add_ESign/Data/John.png
new file mode 100644
index 0000000..d1dec91
Binary files /dev/null and b/Signature/Add_ESign/Data/John.png differ
diff --git a/Signature/Add_ESign/Data/PDF.pfx b/Signature/Add_ESign/Data/PDF.pfx
new file mode 100644
index 0000000..940afae
Binary files /dev/null and b/Signature/Add_ESign/Data/PDF.pfx differ
diff --git a/Signature/Add_ESign/MainWindow.xaml b/Signature/Add_ESign/MainWindow.xaml
new file mode 100644
index 0000000..61be2c7
--- /dev/null
+++ b/Signature/Add_ESign/MainWindow.xaml
@@ -0,0 +1,13 @@
+
+
+
+
+
+
diff --git a/Signature/Add_ESign/MainWindow.xaml.cs b/Signature/Add_ESign/MainWindow.xaml.cs
new file mode 100644
index 0000000..cbe38bf
--- /dev/null
+++ b/Signature/Add_ESign/MainWindow.xaml.cs
@@ -0,0 +1,199 @@
+using Syncfusion.Pdf;
+using Syncfusion.Pdf.Graphics;
+using Syncfusion.Pdf.Security;
+using Syncfusion.Windows.PdfViewer;
+using System;
+using System.Drawing;
+using System.IO;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using Path = System.Windows.Shapes.Path;
+using Bitmap = System.Drawing.Bitmap;
+
+namespace WPF_Sample_FW
+{
+ ///
+ /// Interaction logic for MainWindow.xaml
+ ///
+ public partial class MainWindow : Window
+ {
+ string filePath = "../../../Data/";
+ bool addSignature = false;
+ public MainWindow()
+ {
+ InitializeComponent();
+ PDFViewer.Load(filePath + "Ink signature.pdf");
+ PDFViewer.Loaded += PDFViewer_Loaded;
+ PDFViewer.ZoomMode = ZoomMode.FitPage;
+ }
+
+ private void PDFViewer_Loaded(object sender, RoutedEventArgs e)
+ {
+ // Find the default toolbar from the PDFViewer control template.
+ DocumentToolbar toolbar = PDFViewer.Template.FindName("PART_Toolbar", PDFViewer) as DocumentToolbar;
+
+ // Find the stack panel inside the toolbar where buttons are arranged.
+ StackPanel stackPanel = (StackPanel)toolbar.Template.FindName("PART_ToolbarStack", toolbar);
+
+ // Get the last stack panel in the toolbar stack (usually contains default buttons).
+ StackPanel stack = stackPanel.Children[stackPanel.Children.Count - 1] as StackPanel;
+
+ // Get the first button from the stack to copy its style and icon.
+ Button button = stack.Children[0] as Button;
+ Path oldStylePath = button.Content as Path;
+
+ Button eSignButton = GetButton(oldStylePath, button);
+
+ // Add the new eSign button to the toolbar stack.
+ stackPanel.Children.Add(eSignButton);
+ }
+
+ private void eSignButton_Click(object sender, RoutedEventArgs e)
+ {
+ addSignature = true;
+ }
+
+ private Button GetButton(System.Windows.Shapes.Path oldPath, Button button)
+ {
+ // Create a new custom button for eSign functionality.
+ Button eSignButton = new Button();
+
+ // Create a new Path object to use as the icon for the eSign button.
+ Path path = new Path();
+ path.Data = System.Windows.Media.Geometry.Parse("M218.17 424.14c-2.95-5.92-8.09-6.52-10.17-6.52s-7.22.59-10.02 6.19l-7.67 15.34c-6.37 12.78-25.03 11.37-29.48-2.09L144 386.59l-10.61 31.88c-5.89 17.66-22.38 29.53-41 29.53H80c-8.84 0-16-7.16-16-16s7.16-16 16-16h12.39c4.83 0 9.11-3.08 10.64-7.66l18.19-54.64c3.3-9.81 12.44-16.41 22.78-16.41s19.48 6.59 22.77 16.41l13.88 41.64c19.75-16.19 54.06-9.7 66 14.16 1.89 3.78 5.49 5.95 9.36 6.26v-82.12l128-127.09V160H248c-13.2 0-24-10.8-24-24V0H24C10.7 0 0 10.7 0 24v464c0 13.3 10.7 24 24 24h336c13.3 0 24-10.7 24-24v-40l-128-.11c-16.12-.31-30.58-9.28-37.83-23.75zM384 121.9c0-6.3-2.5-12.4-7-16.9L279.1 7c-4.5-4.5-10.6-7-17-7H256v128h128v-6.1zm-96 225.06V416h68.99l161.68-162.78-67.88-67.88L288 346.96zm280.54-179.63l-31.87-31.87c-9.94-9.94-26.07-9.94-36.01 0l-27.25 27.25 67.88 67.88 27.25-27.25c9.95-9.94 9.95-26.07 0-36.01z");
+
+ // Copy the fill color from the existing button's icon.
+ path.Fill = oldPath.Fill;
+
+ // Set the icon as the content of the new button.
+ eSignButton.Content = path;
+
+ // Match the icon's size and layout to the original button.
+ path.Stretch = Stretch.Uniform;
+ path.Height = oldPath.Height;
+ path.Width = oldPath.Width;
+
+ // Match the button's background and layout properties to the original button.
+ eSignButton.Height = button.Height;
+ eSignButton.Width = button.Width;
+ eSignButton.Margin = button.Margin;
+ eSignButton.Style = button.Style;
+ // Attach the click event handler for eSign functionality.
+ eSignButton.Click += eSignButton_Click;
+
+ return eSignButton;
+ }
+
+ private void PDFViewer_PageClicked(object sender, PageClickedEventArgs args)
+ {
+ if (addSignature)
+ {
+ int pageIndex = PDFViewer.CurrentPageIndex - 1;
+ CreateSignatureImage();
+
+ //Gets the first page of the document
+ PdfLoadedPage page = PDFViewer.LoadedDocument.Pages[pageIndex] as PdfLoadedPage;
+
+ //Retrieve the clicked client area position
+ System.Windows.Point clientPoint = args.Position;
+
+ // Convert client point to page point, which accounts for zoom mode.
+ System.Windows.Point pagePoint = PDFViewer.ConvertClientPointToPagePoint(clientPoint, pageIndex + 1);
+ double x = pagePoint.X;
+ double y = pagePoint.Y;
+
+ //Creates a certificate instance from PFX file with private key.
+ PdfCertificate pdfCert = new PdfCertificate( filePath + "PDF.pfx", "password123");
+
+ //Creates a digital signature
+ PdfSignature Signature = new PdfSignature(PDFViewer.LoadedDocument, page, pdfCert, "Signature");
+
+ //Sets an image for signature field
+ PdfBitmap signatureImage = new PdfBitmap( filePath + "ESign.png");
+
+ // Center the signature on the click position using dimensions in points.
+ float signWidth = signatureImage.PhysicalDimension.Width;
+ float signHeight = signatureImage.PhysicalDimension.Height;
+ Signature.Bounds = new System.Drawing.RectangleF((float)(x), (float)(y), signWidth, signHeight);
+
+ Signature.ContactInfo = "johndoe@owned.us";
+ Signature.LocationInfo = "Honolulu, Hawaii";
+ Signature.Reason = "I am author of this document.";
+
+ //Draws the signature image
+ Signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
+
+ //Save the document into stream.
+ MemoryStream stream = new MemoryStream();
+ PDFViewer.LoadedDocument.Save(stream);
+ stream.Position = 0;
+
+ //Reloads the document
+ PDFViewer.Load(stream);
+ addSignature = false;
+ }
+
+ }
+
+ private void CreateSignatureImage()
+ {
+ int pageIndex = PDFViewer.CurrentPageIndex - 1;
+ if(pageIndex < 0)
+ return;
+
+ //Creating image for current date and time details
+ CreateCurrentDataImage();
+
+ //Combine the name image and date-time image into a single image
+ CombineSignatureAndDataImage();
+
+ }
+
+ private void CombineSignatureAndDataImage()
+ {
+ // Load the two images
+ using (System.Drawing.Image nameImage = System.Drawing.Image.FromFile(filePath + "John.png"))
+ using (System.Drawing.Image signImage = System.Drawing.Image.FromFile(filePath + "DigitalSignatureBlock.png"))
+ {
+ // Create a new bitmap with combined width and max height
+ int signatureWidth = nameImage.Width + signImage.Width;
+ int signatureHeight = Math.Max(nameImage.Height, signImage.Height);
+ using (Bitmap combinedImage = new Bitmap(signatureWidth, signatureHeight))
+ using (Graphics g = System.Drawing.Graphics.FromImage(combinedImage))
+ {
+ // Draw both images side by side
+ g.DrawImage(nameImage, 0, 0);
+ g.DrawImage(signImage, nameImage.Width, 0);
+ // Save the result
+ combinedImage.Save(filePath + "ESign.png", System.Drawing.Imaging.ImageFormat.Png);
+ }
+ }
+ }
+
+ private void CreateCurrentDataImage()
+ {
+ int width = 200;
+ int height = 100;
+ string signerName = "John";
+ string dateTime = DateTime.Now.ToString("yyyy.MM.dd\nHH:mm:ss zzz");
+ string text = $"Digitally signed by {signerName}\nDate: {dateTime}\n\n";
+ string outputPath = filePath + "DigitalSignatureBlock.png";
+ Directory.CreateDirectory(System.IO.Path.GetDirectoryName(outputPath));
+ using (Bitmap bitmap = new Bitmap(width, height))
+ {
+ using (Graphics graphics = System.Drawing.Graphics.FromImage(bitmap))
+ {
+ using (Font font = new Font("Arial", 9))
+ using (SolidBrush backgroundBrush = new SolidBrush(System.Drawing.Color.White))
+ {
+ graphics.FillRectangle(backgroundBrush, 0, 0, width, height);
+ RectangleF layoutRect = new RectangleF(10, 10, width - 20, height - 20);
+ graphics.DrawString(text, font, System.Drawing.Brushes.Black, layoutRect);
+ bitmap.Save(outputPath, System.Drawing.Imaging.ImageFormat.Png);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/Signature/Add_ESign/PDFViewer_WPF.csproj b/Signature/Add_ESign/PDFViewer_WPF.csproj
new file mode 100644
index 0000000..2a6a268
--- /dev/null
+++ b/Signature/Add_ESign/PDFViewer_WPF.csproj
@@ -0,0 +1,12 @@
+
+
+
+ WinExe
+
+
+
+
+
+
+
+
diff --git a/Signature/Add_ESign/PDFViewer_WPF.sln b/Signature/Add_ESign/PDFViewer_WPF.sln
new file mode 100644
index 0000000..5f6dbcb
--- /dev/null
+++ b/Signature/Add_ESign/PDFViewer_WPF.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36401.2
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PDFViewer_WPF", "PDFViewer_WPF.csproj", "{0FAA7523-B034-4EA9-860A-A8936DFFD40E}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {0FAA7523-B034-4EA9-860A-A8936DFFD40E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {0FAA7523-B034-4EA9-860A-A8936DFFD40E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {0FAA7523-B034-4EA9-860A-A8936DFFD40E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {0FAA7523-B034-4EA9-860A-A8936DFFD40E}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {BAAD6341-6945-42C7-8438-919E9DB8EB03}
+ EndGlobalSection
+EndGlobal
diff --git a/Signature/Add_ESign/Properties/AssemblyInfo.cs b/Signature/Add_ESign/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..6a2c04c
--- /dev/null
+++ b/Signature/Add_ESign/Properties/AssemblyInfo.cs
@@ -0,0 +1,52 @@
+using System.Reflection;
+using System.Resources;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Windows;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+//[assembly: AssemblyTitle("PDFViewer_WPF")]
+//[assembly: AssemblyDescription("")]
+//[assembly: AssemblyConfiguration("")]
+//[assembly: AssemblyCompany("")]
+//[assembly: AssemblyProduct("PDFViewer_WPF")]
+//[assembly: AssemblyCopyright("Copyright © 2025")]
+//[assembly: AssemblyTrademark("")]
+//[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+//In order to begin building localizable applications, set
+//CultureYouAreCodingWith in your .csproj file
+//inside a . For example, if you are using US english
+//in your source files, set the to en-US. Then uncomment
+//the NeutralResourceLanguage attribute below. Update the "en-US" in
+//the line below to match the UICulture setting in the project file.
+
+//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
+
+
+//[assembly: ThemeInfo(
+// ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+// //(used if a resource is not found in the page,
+// // or application resource dictionaries)
+// ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+// //(used if a resource is not found in the page,
+// // app, or any theme specific resource dictionaries)
+//)]
+
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+//[assembly: AssemblyVersion("1.0.0.0")]
+//[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Signature/Add_ESign/Properties/Resources.Designer.cs b/Signature/Add_ESign/Properties/Resources.Designer.cs
new file mode 100644
index 0000000..75bb46f
--- /dev/null
+++ b/Signature/Add_ESign/Properties/Resources.Designer.cs
@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated by a tool.
+// Runtime Version:4.0.30319.42000
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace PDFViewer_WPF.Properties
+{
+
+
+ ///
+ /// A strongly-typed resource class, for looking up localized strings, etc.
+ ///
+ // This class was auto-generated by the StronglyTypedResourceBuilder
+ // class via a tool like ResGen or Visual Studio.
+ // To add or remove a member, edit your .ResX file then rerun ResGen
+ // with the /str option, or rebuild your VS project.
+ [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+ internal class Resources
+ {
+
+ private static global::System.Resources.ResourceManager resourceMan;
+
+ private static global::System.Globalization.CultureInfo resourceCulture;
+
+ [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+ internal Resources()
+ {
+ }
+
+ ///
+ /// Returns the cached ResourceManager instance used by this class.
+ ///
+ [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+ internal static global::System.Resources.ResourceManager ResourceManager
+ {
+ get
+ {
+ if ((resourceMan == null))
+ {
+ global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PDFViewer_WPF.Properties.Resources", typeof(Resources).Assembly);
+ resourceMan = temp;
+ }
+ return resourceMan;
+ }
+ }
+
+ ///
+ /// Overrides the current thread's CurrentUICulture property for all
+ /// resource lookups using this strongly typed resource class.
+ ///
+ [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+ internal static global::System.Globalization.CultureInfo Culture
+ {
+ get
+ {
+ return resourceCulture;
+ }
+ set
+ {
+ resourceCulture = value;
+ }
+ }
+ }
+}
diff --git a/Signature/Add_ESign/Properties/Resources.resx b/Signature/Add_ESign/Properties/Resources.resx
new file mode 100644
index 0000000..af7dbeb
--- /dev/null
+++ b/Signature/Add_ESign/Properties/Resources.resx
@@ -0,0 +1,117 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ text/microsoft-resx
+
+
+ 2.0
+
+
+ System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
+ System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
\ No newline at end of file
diff --git a/Signature/Add_ESign/Properties/Settings.Designer.cs b/Signature/Add_ESign/Properties/Settings.Designer.cs
new file mode 100644
index 0000000..67bc83e
--- /dev/null
+++ b/Signature/Add_ESign/Properties/Settings.Designer.cs
@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated by a tool.
+// Runtime Version:4.0.30319.42000
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace PDFViewer_WPF.Properties
+{
+
+
+ [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+ [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
+ internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
+ {
+
+ private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+
+ public static Settings Default
+ {
+ get
+ {
+ return defaultInstance;
+ }
+ }
+ }
+}
diff --git a/Signature/Add_ESign/Properties/Settings.settings b/Signature/Add_ESign/Properties/Settings.settings
new file mode 100644
index 0000000..033d7a5
--- /dev/null
+++ b/Signature/Add_ESign/Properties/Settings.settings
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Signature/Add_ESign/packages.config b/Signature/Add_ESign/packages.config
new file mode 100644
index 0000000..5b33600
--- /dev/null
+++ b/Signature/Add_ESign/packages.config
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Signature/Add_ESign/targets/MultiTargeting.targets b/Signature/Add_ESign/targets/MultiTargeting.targets
new file mode 100644
index 0000000..4a85629
--- /dev/null
+++ b/Signature/Add_ESign/targets/MultiTargeting.targets
@@ -0,0 +1,10 @@
+
+
+ net462;net8.0-windows;net9.0-windows
+ true
+ False
+ True
+ True
+ True
+
+
\ No newline at end of file