937636 Added verify digital signature in existing PDF document and dash pattern

Digital Signature/New folder/.NET/Verify-digital-sign-in-existing-PDF.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35707.178 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Verify-digital-sign-in-existing-PDF", "Verify-digital-sign-in-existing-PDF\Verify-digital-sign-in-existing-PDF.csproj", "{3DD425D8-40B2-4D5E-8ADD-66522B701503}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Digital Signature/New folder/.NET/Verify-digital-sign-in-existing-PDF/Program.cs

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+using System;
+using System.IO;
+using System.Reflection.Metadata;
+using Syncfusion.Pdf.Parsing;
+
+
+// Open the signed PDF file for reading
+using (FileStream inputFileStream = new FileStream(Path.GetFullPath(@"Data/Input.pdf"), FileMode.Open, FileAccess.Read))
+{
+    // Load the PDF document
+    PdfLoadedDocument loadedDocument = new PdfLoadedDocument(inputFileStream);
+
+    // Check if the document has a form (which would contain signature fields)
+    if (loadedDocument.Form == null)
+    {
+        Console.WriteLine("No signature fields found in the document.");
+        return;
+    }
+
+    // Iterate through all fields in the form
+    foreach (var field in loadedDocument.Form.Fields)
+    {
+        // Check if the field is a signature field
+        if (field is PdfLoadedSignatureField signatureField)
+        {
+            // Determine whether the signature field is signed or not
+            string status = signatureField.IsSigned ? "Signed" : "UnSigned";
+
+            // Output the result for each signature field
+            Console.WriteLine($"Signature Field {signatureField.Name} is : {status}");
+        }
+    }
+    //Close the document
+    loadedDocument.Close(true);
+}

Digital Signature/New folder/.NET/Verify-digital-sign-in-existing-PDF/Verify-digital-sign-in-existing-PDF.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Verify_digital_sign_in_existing_PDF</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
+  </ItemGroup>
+
+</Project>

Shapes/Dash-pattern-in-shapes/.NET/Dash-pattern-in-shapes.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35707.178 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dash-pattern-in-shapes", "Dash-pattern-in-shapes\Dash-pattern-in-shapes.csproj", "{DF549026-34A6-4622-9A1D-8C12AE115DAE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Shapes/Dash-pattern-in-shapes/.NET/Dash-pattern-in-shapes/Dash-pattern-in-shapes.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Dash_pattern_in_shapes</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
+  </ItemGroup>
+
+</Project>

Shapes/Dash-pattern-in-shapes/.NET/Dash-pattern-in-shapes/Program.cs

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+using Syncfusion.Pdf.Graphics;
+using Syncfusion.Pdf;
+using Syncfusion.Drawing;
+
+// Create a new PDF document
+PdfDocument document = new PdfDocument();
+
+// Add a page to the document
+PdfPage page = document.Pages.Add();
+
+// Create a PdfGraphics object to draw on the page
+PdfGraphics graphics = page.Graphics;
+
+// Create a custom dashed line pattern (5-point dash, 2-point gap)
+float[] dashPattern = { 5, 2 }; // Dash length, gap length
+
+// Create a PdfPen with the dash pattern and color
+PdfPen dashPen = new PdfPen(PdfBrushes.Black, 2);  // 2 is the line width
+
+// Set the DashStyle to Custom before applying DashPattern
+dashPen.DashStyle = PdfDashStyle.Custom;  // Use Custom style to enable DashPattern
+dashPen.DashPattern = dashPattern;
+
+// Draw a line with the custom dash pattern
+graphics.DrawLine(dashPen, new Syncfusion.Drawing.PointF(10, 10), new PointF(300, 10));
+
+//Create file stream.
+using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document to file stream.
+    document.Save(outputFileStream);
+}
+//Close the document.
+document.Close(true);