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chinnumuniyappanchinnumuniyappan
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Merge pull request #143 from SyncfusionExamples/937636
937636 Added verify digital signature in existing PDF document and dash pattern
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‎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
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# Visual Studio Version 17
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VisualStudioVersion = 17.12.35707.178 d17.12
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MinimumVisualStudioVersion = 10.0.40219.1
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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}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{3DD425D8-40B2-4D5E-8ADD-66522B701503}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎Digital Signature/New folder/.NET/Verify-digital-sign-in-existing-PDF/Data/Input.pdf‎

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

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

‎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">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<RootNamespace>Verify_digital_sign_in_existing_PDF</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
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</ItemGroup>
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</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
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# Visual Studio Version 17
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VisualStudioVersion = 17.12.35707.178 d17.12
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dash-pattern-in-shapes", "Dash-pattern-in-shapes\Dash-pattern-in-shapes.csproj", "{DF549026-34A6-4622-9A1D-8C12AE115DAE}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{DF549026-34A6-4622-9A1D-8C12AE115DAE}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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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">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<RootNamespace>Dash_pattern_in_shapes</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
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</ItemGroup>
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</Project>

‎Shapes/Dash-pattern-in-shapes/.NET/Dash-pattern-in-shapes/Output/gitkeep.txt‎

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

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

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