diff --git a/C++/include/Swelio.h b/C++/include/Swelio.h
index fa970be..8986682 100755
--- a/C++/include/Swelio.h
+++ b/C++/include/Swelio.h
@@ -1772,6 +1772,13 @@ void WINAPI IgnoreServiceEvents(BOOL value);
 /// <returns>None</returns>
 void WINAPI IgnoreHardwareEvents(BOOL value);
 
+/// <summary>
+/// Ignore Unknown cards insert / remove events
+/// </summary>
+/// <param name="value">true - to ignore unknown cards remove / insert events</param>
+/// <returns>None</returns>
+void WINAPI IgnoreUnknownCards(BOOL value);
+
 // Summary: 
 //		Digitally sign PDF file using Belgian EID card
 // Description:
diff --git a/C++/lib/Swelio32.lib b/C++/lib/Swelio32.lib
index ba1215e..bc4c7c0 100755
Binary files a/C++/lib/Swelio32.lib and b/C++/lib/Swelio32.lib differ
diff --git a/C++/lib/Swelio64.lib b/C++/lib/Swelio64.lib
index fcf98de..1790b5a 100755
Binary files a/C++/lib/Swelio64.lib and b/C++/lib/Swelio64.lib differ
diff --git a/Redist/Swelio32.dll b/Redist/Swelio32.dll
index 1f03126..c76fdbe 100644
Binary files a/Redist/Swelio32.dll and b/Redist/Swelio32.dll differ
diff --git a/Redist/Swelio64.dll b/Redist/Swelio64.dll
index f2832dd..f94e7fc 100644
Binary files a/Redist/Swelio64.dll and b/Redist/Swelio64.dll differ
diff --git a/Samples/C#/EIDTestApp/EIDTestApp.csproj b/Samples/C#/EIDTestApp/EIDTestApp.csproj
index 6c26e5a..784a285 100755
--- a/Samples/C#/EIDTestApp/EIDTestApp.csproj
+++ b/Samples/C#/EIDTestApp/EIDTestApp.csproj
@@ -16,7 +16,7 @@
     <OldToolsVersion>3.5</OldToolsVersion>
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <TargetFrameworkProfile />
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
diff --git a/Samples/C#/EIDTestApp/FormMain.cs b/Samples/C#/EIDTestApp/FormMain.cs
index b90fbd2..4e08f04 100755
--- a/Samples/C#/EIDTestApp/FormMain.cs
+++ b/Samples/C#/EIDTestApp/FormMain.cs
@@ -183,8 +183,8 @@ private void ActivateCardEventsTracing()
             engine.CardInserted += new EventHandler<CardEventArgs>(engine_CardInserted);
             engine.CardRemoved += new EventHandler<CardEventArgs>(engine_CardRemoved);
             engine.ReadersListChanged += new EventHandler(engine_ReadersListChanged);
-            engine.TraceHardwareEvents = true;
-            engine.TraceServiceEvents = true;
+            engine.TraceHardwareEvents = false;
+            engine.TraceServiceEvents = false;
             engine.TraceEvents = true;
         }
 
diff --git a/Samples/C#/EIDTestApp/Properties/Resources.Designer.cs b/Samples/C#/EIDTestApp/Properties/Resources.Designer.cs
index 4cf52e3..45ee490 100755
--- a/Samples/C#/EIDTestApp/Properties/Resources.Designer.cs
+++ b/Samples/C#/EIDTestApp/Properties/Resources.Designer.cs
@@ -19,7 +19,7 @@ namespace EIDTestApp.Properties {
     // 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", "16.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
diff --git a/Samples/C#/EIDTestApp/Properties/Settings.Designer.cs b/Samples/C#/EIDTestApp/Properties/Settings.Designer.cs
index 4cc3e69..aa8de06 100755
--- a/Samples/C#/EIDTestApp/Properties/Settings.Designer.cs
+++ b/Samples/C#/EIDTestApp/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace EIDTestApp.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.10.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.11.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/Samples/C#/EIDTestApp/app.config b/Samples/C#/EIDTestApp/app.config
index 245587d..3e0e37c 100755
--- a/Samples/C#/EIDTestApp/app.config
+++ b/Samples/C#/EIDTestApp/app.config
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/></startup></configuration>
diff --git a/Samples/C#/PDFSignature/PDFSignature/Program.cs b/Samples/C#/PDFSignature/PDFSignature/Program.cs
index 9c1f05e..d647f52 100644
--- a/Samples/C#/PDFSignature/PDFSignature/Program.cs
+++ b/Samples/C#/PDFSignature/PDFSignature/Program.cs
@@ -11,14 +11,17 @@ class Program
     {
         static void Main(string[] args)
         {
-            PdfDocument pdf = new PdfDocument(args[0]);
-            Manager manager = new Manager();
-            manager.Active = true;
-            manager.GetReader(0).ActivateCard();
-            pdf.SelectCertificate(0);
-            pdf.Sign();
-            pdf.Close();
-            manager.Active = false;
+            if (args.Length > 0)
+            {
+                PdfDocument pdf = new PdfDocument(args[0]);
+                Manager manager = new Manager();
+                manager.Active = true;
+                manager.GetReader(0).ActivateCard();
+                pdf.SelectCertificate(0);
+                pdf.Sign();
+                pdf.Close();
+                manager.Active = false;
+            }
         }
     }
 }
diff --git a/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.csproj b/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.csproj
index b9f56d1..a64b3d1 100755
--- a/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.csproj
+++ b/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>PhotoMimeEncoding</RootNamespace>
     <AssemblyName>PhotoMimeEncoding</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <FileUpgradeFlags>
     </FileUpgradeFlags>
@@ -42,6 +42,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -50,6 +51,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -60,12 +62,6 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\Binding\C#\Swelio.Engine\Swelio.Engine\Swelio.Engine.csproj">
-      <Project>{AACADA10-0AB6-4845-8B13-87A7FA86AE69}</Project>
-      <Name>Swelio.Engine</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
   </ItemGroup>
diff --git a/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.sln b/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.sln
index 08e3ee7..9e4f9f7 100755
--- a/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.sln
+++ b/Samples/C#/PhotoMimeEncoding/PhotoMimeEncoding.sln
@@ -1,14 +1,9 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.40629.0
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35327.3
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PhotoMimeEncoding", "PhotoMimeEncoding.csproj", "{170135AC-25B3-436B-8491-417AF9CF650A}"
-	ProjectSection(ProjectDependencies) = postProject
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69} = {AACADA10-0AB6-4845-8B13-87A7FA86AE69}
-	EndProjectSection
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Swelio.Engine", "..\..\..\Binding\C#\Swelio.Engine\Swelio.Engine\Swelio.Engine.csproj", "{AACADA10-0AB6-4845-8B13-87A7FA86AE69}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -28,18 +23,6 @@ Global
 		{170135AC-25B3-436B-8491-417AF9CF650A}.Release|Any CPU.Build.0 = Release|Any CPU
 		{170135AC-25B3-436B-8491-417AF9CF650A}.Release|x64.ActiveCfg = Release|Any CPU
 		{170135AC-25B3-436B-8491-417AF9CF650A}.Release|x86.ActiveCfg = Release|Any CPU
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|x64.ActiveCfg = Debug|x64
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|x64.Build.0 = Debug|x64
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|x86.ActiveCfg = Debug|x86
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Debug|x86.Build.0 = Debug|x86
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|Any CPU.Build.0 = Release|Any CPU
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|x64.ActiveCfg = Release|x64
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|x64.Build.0 = Release|x64
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|x86.ActiveCfg = Release|x86
-		{AACADA10-0AB6-4845-8B13-87A7FA86AE69}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Samples/C#/PhotoMimeEncoding/app.config b/Samples/C#/PhotoMimeEncoding/app.config
index fcd0c93..3e0e37c 100755
--- a/Samples/C#/PhotoMimeEncoding/app.config
+++ b/Samples/C#/PhotoMimeEncoding/app.config
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/></startup></configuration>
diff --git a/Samples/C#/Signature/Signature/Signature.csproj b/Samples/C#/Signature/Signature/Signature.csproj
index 17cdb75..73cdc1c 100755
--- a/Samples/C#/Signature/Signature/Signature.csproj
+++ b/Samples/C#/Signature/Signature/Signature.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Signature</RootNamespace>
     <AssemblyName>Signature</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Samples/C#/Signature/Signature/app.config b/Samples/C#/Signature/Signature/app.config
index 312bb3f..3e0e37c 100755
--- a/Samples/C#/Signature/Signature/app.config
+++ b/Samples/C#/Signature/Signature/app.config
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/></startup></configuration>
diff --git a/Swelio.Engine/Swelio.Engine/Manager.cs b/Swelio.Engine/Swelio.Engine/Manager.cs
index a6d02b7..205f23b 100644
--- a/Swelio.Engine/Swelio.Engine/Manager.cs
+++ b/Swelio.Engine/Swelio.Engine/Manager.cs
@@ -22,6 +22,7 @@ public sealed class Manager : IDisposable
         private bool traceEvents;
         private bool traceServiceEvents;
         private bool traceHardwareEvents;
+        private bool ignoreUnknownCards;
 
         private ReaderCallbackDelegate InternalCallbackDelegate;
 
@@ -31,8 +32,9 @@ public sealed class Manager : IDisposable
         public Manager()
         {
             readers = new List<CardReader>();
-            traceHardwareEvents = true;
-            traceServiceEvents = true;
+            traceHardwareEvents = false; //Do not trace card readers list change events
+            traceServiceEvents = false;  //Do not trace service start and stop
+            ignoreUnknownCards = true;   //Ignore unsopported cards insertion / removal
             InternalCallbackDelegate = new ReaderCallbackDelegate(EventTracer);
         }
 
@@ -169,6 +171,16 @@ public bool TraceHardwareEvents
             }
         }
 
+        public bool IgnoreUnknownCards
+        {
+            get { return ignoreUnknownCards; }
+            set
+            {
+                ignoreUnknownCards = value;
+                NativeMethods.IgnoreUnknownCards(value);
+            }
+        }
+
         public event EventHandler<CardEventArgs> CardInserted;
         public event EventHandler<CardEventArgs> CardRemoved;
         public event EventHandler ReadersListChanged;
diff --git a/Swelio.Engine/Swelio.Engine/NativeMethods.cs b/Swelio.Engine/Swelio.Engine/NativeMethods.cs
index c61eec8..7c9bc7c 100644
--- a/Swelio.Engine/Swelio.Engine/NativeMethods.cs
+++ b/Swelio.Engine/Swelio.Engine/NativeMethods.cs
@@ -393,6 +393,9 @@ internal static class NativeMethods
         [DllImport(DLL_FILE_NAME, EntryPoint = "IgnoreHardwareEvents", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Unicode)]
         public static extern void IgnoreHardwareEvents(bool value);
 
+        [DllImport(DLL_FILE_NAME, EntryPoint = "IgnoreUnknownCards", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Unicode)]
+        public static extern void IgnoreUnknownCards(bool value);
+
         [DllImport(DLL_FILE_NAME, EntryPoint = "RemoveStartupW", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Unicode)]
         public static extern void RemoveStartup([MarshalAs(UnmanagedType.LPWStr)] string AppName);
 
diff --git a/Swelio.Engine/Swelio.Engine/PdfDocument.cs b/Swelio.Engine/Swelio.Engine/PdfDocument.cs
index 218fcf5..8ede214 100644
--- a/Swelio.Engine/Swelio.Engine/PdfDocument.cs
+++ b/Swelio.Engine/Swelio.Engine/PdfDocument.cs
@@ -6,6 +6,9 @@
 
 namespace Swelio.Engine
 {
+    /// <summary>
+    /// The digital signature for PDF documents
+    /// </summary>
     public class PdfDocument
     {
         private string fileName;
@@ -14,6 +17,10 @@ public class PdfDocument
         private bool certificateSelected = false;
 
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PdfDocument"/> class.
+        /// </summary>
+        /// <param name="fileName">The file name.</param>
         public PdfDocument(string fileName)
         {
             this.fileName = fileName;
diff --git a/Swelio.Engine/Swelio.Engine/Swelio.Engine.csproj b/Swelio.Engine/Swelio.Engine/Swelio.Engine.csproj
index fbb71e5..44acb1a 100644
--- a/Swelio.Engine/Swelio.Engine/Swelio.Engine.csproj
+++ b/Swelio.Engine/Swelio.Engine/Swelio.Engine.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net462;net472;net48</TargetFrameworks>
+    <TargetFrameworks>net462;net472;net48;net8.0</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>1.18.29</Version>
+    <Version>1.18.30</Version>
     <Authors>Serhiy Perevoznyk</Authors>
     <Company>Serhiy Perevoznyk</Company>
     <Product>Swelio</Product>
@@ -13,7 +13,7 @@
     <RepositoryUrl>https://github.com/perevoznyk/swelio-sdk</RepositoryUrl>
     <PackageProjectUrl>https://github.com/perevoznyk</PackageProjectUrl>
     <PackageIcon>Swelio_icon.png</PackageIcon>
-    <Copyright>Copyright © Serhiy Perevoznyk 2014-2023</Copyright>
+    <Copyright>Copyright © Serhiy Perevoznyk 2014-2024</Copyright>
     <Description>Belgian eID card SDK</Description>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>enginekey.snk</AssemblyOriginatorKeyFile>
@@ -43,4 +43,7 @@
       <PackageFlatten>true</PackageFlatten>
     </Content>
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="System.Drawing.Common" Version="9.0.0" />
+  </ItemGroup>
 </Project>