commit 725521b8f8b908c47335507187ee7c4c6b871d89
Author: Hoeglinger Eugen <eugen.hoeglinger@engel.at>
Date:   Fri Aug 26 09:50:43 2022 +0200

    Initialize
    
    Funktion zum Erzeugen, Auslesen und Löschen eines Registry-Schlüssel und
    Registry-Wertes

diff --git a/.vs/Registry.git/FileContentIndex/448d7976-bdf7-46da-b22a-8eb637e5b010.vsidx b/.vs/Registry.git/FileContentIndex/448d7976-bdf7-46da-b22a-8eb637e5b010.vsidx
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index 0000000..1f5d183
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diff --git a/.vs/Registry.git/FileContentIndex/485b8118-713a-478f-bfd2-f6c42a7e0bf7.vsidx b/.vs/Registry.git/FileContentIndex/485b8118-713a-478f-bfd2-f6c42a7e0bf7.vsidx
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index 0000000..c90505a
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diff --git a/.vs/Registry.git/FileContentIndex/69f7e824-0754-43d6-a08f-89efa7e7f352.vsidx b/.vs/Registry.git/FileContentIndex/69f7e824-0754-43d6-a08f-89efa7e7f352.vsidx
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index 0000000..71f10a9
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diff --git a/.vs/Registry.git/FileContentIndex/f3a4da77-99b8-419b-96d5-eb1e48e8bc1d.vsidx b/.vs/Registry.git/FileContentIndex/f3a4da77-99b8-419b-96d5-eb1e48e8bc1d.vsidx
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index 0000000..2e79b45
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diff --git a/.vs/Registry.git/FileContentIndex/read.lock b/.vs/Registry.git/FileContentIndex/read.lock
new file mode 100644
index 0000000..e69de29
diff --git a/.vs/Registry.git/v17/.suo b/.vs/Registry.git/v17/.suo
new file mode 100644
index 0000000..fd2f07b
Binary files /dev/null and b/.vs/Registry.git/v17/.suo differ
diff --git a/Registry.git.sln b/Registry.git.sln
new file mode 100644
index 0000000..1217c0c
--- /dev/null
+++ b/Registry.git.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32819.101
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Registry", "Registry\Registry.csproj", "{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test_Registry", "Test_Registry\Test_Registry.csproj", "{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {09819827-7A0C-4F5F-AD81-2E8B5E823A3A}
+	EndGlobalSection
+EndGlobal
diff --git a/Registry/Properties/AssemblyInfo.cs b/Registry/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..12b60ab
--- /dev/null
+++ b/Registry/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("Registry")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Registry")]
+[assembly: AssemblyCopyright("Copyright © 2022 by Eugen Höglinger")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("00ded4a5-cf16-41c8-9c2e-0a7bb906d759")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// indem Sie "*" wie unten gezeigt eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.*")]
+//[assembly: AssemblyFileVersion("1.0.0.0")] //Wenn auskommentiert, dann gleich wie AssemblyVersion!
diff --git a/Registry/Registry.cs b/Registry/Registry.cs
new file mode 100644
index 0000000..9a71955
--- /dev/null
+++ b/Registry/Registry.cs
@@ -0,0 +1,312 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Win32;
+
+namespace Eugen.ESystem
+{
+    /// <summary>
+	/// Description of Registry.
+	/// </summary>
+    public class Registry
+    {
+        #region Version und Copyright
+        // Version und Copyright
+        static string dllName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
+        static string dllVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
+        static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
+        static string copyright = GenerateCopyright();
+
+        //Assembly Datum und Zeit
+        static DateTime value = AssemblyDateTime();
+        static string date = value.ToShortDateString();
+        static string time = value.ToLongTimeString();
+
+        private static DateTime AssemblyDateTime()
+        {
+            var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
+            var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
+            //Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
+            return buildDateTime;
+        }
+
+        private static string CurrentYear()
+        {
+            DateTime dtn = DateTime.Now;
+            return dtn.Year.ToString();
+        }
+
+        private static string StartYear()
+        {
+            string startYear = "";
+            if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
+            {
+                startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
+                while (startYear.StartsWith(" "))
+                {
+                    startYear = startYear.Remove(0, 1);
+                }
+
+                if (startYear.Contains("-"))
+                {
+                    startYear = startYear.Remove(startYear.IndexOf("-"));
+                }
+                else
+                {
+                    startYear = startYear.Remove(startYear.IndexOf(" "));
+                }
+                return startYear;
+            }
+            else
+            {
+                DateTime dtn = DateTime.Now;
+                return dtn.Year.ToString();
+            }
+        }
+
+        private static string GenerateCopyright()
+        {
+            string startYear = StartYear();
+            string currentYear = CurrentYear();
+
+            if (startYear == currentYear)
+            {
+                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+            }
+            else
+            {
+                string temp = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+                string start = temp.Remove(temp.IndexOf(startYear) - 1);
+                string end = (temp.Remove(0, temp.IndexOf(" by")));
+
+                return String.Concat(start, " ", startYear, "-", currentYear, end);
+            }
+        }
+        #endregion
+
+        #region DLL-Info
+        /// <summary>
+        /// Contains the name of the dll file.
+        /// </summary>
+        public static string DllName { private set; get; }
+
+        /// <summary>
+        /// Contains the version of the dll file.
+        /// </summary>
+        public static string DllVersion { private set; get; }
+
+        /// <summary>
+        /// Contains the copyright notice.
+        /// </summary>
+        public static string Copyright { private set; get; }
+
+        /// <summary>
+        /// Contains the name-, version- and copyright-information of the dll file.
+        /// </summary>
+        public static string[] DllInfo { private set; get; }
+
+        private static void SetDllInfo()
+        {
+            //Name, Version und Copyright setzen
+            DllName = dllName;
+            DllVersion = dllVersion;
+            Copyright = copyright;
+
+            string[] dllInfo = new string[3];
+            dllInfo[0] = dllName;
+            dllInfo[1] = dllVersion;
+            dllInfo[2] = copyright;
+            DllInfo = dllInfo;
+        }
+
+        protected string ProgramName { private set; get; }
+        protected string ProgramVersion { private set; get; }
+        protected string ProgramCopyright { private set; get; }
+        #endregion
+
+        public enum RegMainKey
+        {
+            ClassesRoot,
+            CurrentUser,
+            LocalMachine,
+            Users,
+            CurrentConfig
+        }
+
+        static Registry()
+        {
+            SetDllInfo();
+        }
+
+        public Registry()
+        {
+            SetDllInfo();
+        }
+
+        // Create a Subkey
+        public RegMainKey MainKey { get; set; }
+        public string SubKey { get; set; }
+        public string Key { get; set; }
+        public string Value { get; set; }
+        public bool Error { get; set; }
+
+        /// <summary>
+        /// Write Values to the Subkey
+        /// </summary>
+        public void WriteSubkey()
+        {
+            // Write Values to the Subkey
+            Microsoft.Win32.RegistryKey mKey = null;
+            switch (MainKey)
+            {
+                case RegMainKey.ClassesRoot:
+                    mKey = Microsoft.Win32.Registry.ClassesRoot;
+                    break;
+                case RegMainKey.CurrentUser:
+                    mKey = Microsoft.Win32.Registry.CurrentUser;
+                    break;
+                case RegMainKey.LocalMachine:
+                    mKey = Microsoft.Win32.Registry.LocalMachine;
+                    break;
+                case RegMainKey.Users:
+                    mKey = Microsoft.Win32.Registry.Users;
+                    break;
+                case RegMainKey.CurrentConfig:
+                    mKey = Microsoft.Win32.Registry.CurrentConfig;
+                    break;
+                default:
+                    break;
+            }
+
+            RegistryKey newKey = mKey.CreateSubKey(SubKey);
+            newKey.SetValue(Key, Value);
+        }
+
+        /// <summary>
+        /// Read Values from the Subkey
+        /// </summary>
+        /// <returns></returns>
+        /// <exception cref="Exception">Subkey does not exist exception</exception>
+        public string ReadSubkey()
+        {
+            // Read Values from the Subkey
+            Microsoft.Win32.RegistryKey mKey = null;
+            switch (MainKey)
+            {
+                case RegMainKey.ClassesRoot:
+                    mKey = Microsoft.Win32.Registry.ClassesRoot;
+                    break;
+                case RegMainKey.CurrentUser:
+                    mKey = Microsoft.Win32.Registry.CurrentUser;
+                    break;
+                case RegMainKey.LocalMachine:
+                    mKey = Microsoft.Win32.Registry.LocalMachine;
+                    break;
+                case RegMainKey.Users:
+                    mKey = Microsoft.Win32.Registry.Users;
+                    break;
+                case RegMainKey.CurrentConfig:
+                    mKey = Microsoft.Win32.Registry.CurrentConfig;
+                    break;
+                default:
+                    break;
+            }
+
+            if (SubKeyExist(SubKey))
+            {
+                RegistryKey myKey = mKey.OpenSubKey(SubKey);
+                return (string)myKey.GetValue(Key);
+            }
+            else
+            {
+                throw new Exception("Subkey does not exist!");
+            }
+        }
+
+        /// <summary>
+        /// Delete the Subkey
+        /// </summary>
+        /// <exception cref="Exception">Subkey to be deleted</exception>
+        public void DeleteSubkey()
+        {
+            // Delete the Subkey
+            Microsoft.Win32.RegistryKey mKey = null;
+            switch (MainKey)
+            {
+                case RegMainKey.ClassesRoot:
+                    mKey = Microsoft.Win32.Registry.ClassesRoot;
+                    break;
+                case RegMainKey.CurrentUser:
+                    mKey = Microsoft.Win32.Registry.CurrentUser;
+                    break;
+                case RegMainKey.LocalMachine:
+                    mKey = Microsoft.Win32.Registry.LocalMachine;
+                    break;
+                case RegMainKey.Users:
+                    mKey = Microsoft.Win32.Registry.Users;
+                    break;
+                case RegMainKey.CurrentConfig:
+                    mKey = Microsoft.Win32.Registry.CurrentConfig;
+                    break;
+                default:
+                    break;
+            }
+
+            //string MyKey = SubKey.Remove(SubKey.LastIndexOf('\\'));
+
+            if (SubKeyExist(SubKey))
+            {
+                mKey.DeleteSubKeyTree(SubKey);
+            }
+            else
+            {
+                throw new Exception("Subkey does not exist!");
+            }
+        }
+
+        /// <summary>
+        /// Check if a Subkey exist
+        /// </summary>
+        /// <param name="Subkey">Subkey to be queried</param>
+        /// <returns></returns>
+        public bool SubKeyExist(string Subkey)
+        {
+            // Check if a Subkey exist
+            Microsoft.Win32.RegistryKey mKey = null;
+            switch (MainKey)
+            {
+                case RegMainKey.ClassesRoot:
+                    mKey = Microsoft.Win32.Registry.ClassesRoot;
+                    break;
+                case RegMainKey.CurrentUser:
+                    mKey = Microsoft.Win32.Registry.CurrentUser;
+                    break;
+                case RegMainKey.LocalMachine:
+                    mKey = Microsoft.Win32.Registry.LocalMachine;
+                    break;
+                case RegMainKey.Users:
+                    mKey = Microsoft.Win32.Registry.Users;
+                    break;
+                case RegMainKey.CurrentConfig:
+                    mKey = Microsoft.Win32.Registry.CurrentConfig;
+                    break;
+                default:
+                    break;
+            }
+            RegistryKey myKey = mKey.OpenSubKey(Subkey);
+
+            if (myKey == null)
+            {
+                return false;
+            }
+            else
+            {
+                return true;
+            }
+        }
+    }
+}
diff --git a/Registry/Registry.csproj b/Registry/Registry.csproj
new file mode 100644
index 0000000..e18086f
--- /dev/null
+++ b/Registry/Registry.csproj
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{00DED4A5-CF16-41C8-9C2E-0A7BB906D759}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Eugen.ESystem</RootNamespace>
+    <AssemblyName>heregistry</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>false</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Registry.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/Registry/bin/Debug/heregistry.dll b/Registry/bin/Debug/heregistry.dll
new file mode 100644
index 0000000..c620259
Binary files /dev/null and b/Registry/bin/Debug/heregistry.dll differ
diff --git a/Registry/bin/Debug/heregistry.pdb b/Registry/bin/Debug/heregistry.pdb
new file mode 100644
index 0000000..40d1847
Binary files /dev/null and b/Registry/bin/Debug/heregistry.pdb differ
diff --git a/Registry/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs b/Registry/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs
new file mode 100644
index 0000000..057ed7f
--- /dev/null
+++ b/Registry/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs
@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]
diff --git a/Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache b/Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
new file mode 100644
index 0000000..930a281
Binary files /dev/null and b/Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache differ
diff --git a/Registry/obj/Debug/Registry.csproj.AssemblyReference.cache b/Registry/obj/Debug/Registry.csproj.AssemblyReference.cache
new file mode 100644
index 0000000..ce6c4ca
Binary files /dev/null and b/Registry/obj/Debug/Registry.csproj.AssemblyReference.cache differ
diff --git a/Registry/obj/Debug/Registry.csproj.CoreCompileInputs.cache b/Registry/obj/Debug/Registry.csproj.CoreCompileInputs.cache
new file mode 100644
index 0000000..2a71485
--- /dev/null
+++ b/Registry/obj/Debug/Registry.csproj.CoreCompileInputs.cache
@@ -0,0 +1 @@
+4d662b80ebe897aba148c3b7c981fdfed556e2fc
diff --git a/Registry/obj/Debug/Registry.csproj.FileListAbsolute.txt b/Registry/obj/Debug/Registry.csproj.FileListAbsolute.txt
new file mode 100644
index 0000000..e1687b1
--- /dev/null
+++ b/Registry/obj/Debug/Registry.csproj.FileListAbsolute.txt
@@ -0,0 +1,6 @@
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\obj\Debug\Registry.csproj.AssemblyReference.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\obj\Debug\Registry.csproj.CoreCompileInputs.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\bin\Debug\heregistry.dll
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\bin\Debug\heregistry.pdb
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\obj\Debug\heregistry.dll
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Registry\obj\Debug\heregistry.pdb
diff --git a/Registry/obj/Debug/_IsIncrementalBuild b/Registry/obj/Debug/_IsIncrementalBuild
new file mode 100644
index 0000000..ff132f0
--- /dev/null
+++ b/Registry/obj/Debug/_IsIncrementalBuild
@@ -0,0 +1 @@
+obj\Debug\\_IsIncrementalBuild
diff --git a/Registry/obj/Debug/heregistry.dll b/Registry/obj/Debug/heregistry.dll
new file mode 100644
index 0000000..c620259
Binary files /dev/null and b/Registry/obj/Debug/heregistry.dll differ
diff --git a/Registry/obj/Debug/heregistry.pdb b/Registry/obj/Debug/heregistry.pdb
new file mode 100644
index 0000000..40d1847
Binary files /dev/null and b/Registry/obj/Debug/heregistry.pdb differ
diff --git a/Test_Registry/App.config b/Test_Registry/App.config
new file mode 100644
index 0000000..5ffd8f8
--- /dev/null
+++ b/Test_Registry/App.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
+    </startup>
+</configuration>
diff --git a/Test_Registry/Form1.Designer.cs b/Test_Registry/Form1.Designer.cs
new file mode 100644
index 0000000..af586e5
--- /dev/null
+++ b/Test_Registry/Form1.Designer.cs
@@ -0,0 +1,131 @@
+namespace Test_Registry
+{
+    partial class Form1
+    {
+        /// <summary>
+        /// Erforderliche Designervariable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Verwendete Ressourcen bereinigen.
+        /// </summary>
+        /// <param name="disposing">True, wenn verwaltete Ressourcen gelöscht werden sollen; andernfalls False.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Vom Windows Form-Designer generierter Code
+
+        /// <summary>
+        /// Erforderliche Methode für die Designerunterstützung.
+        /// Der Inhalt der Methode darf nicht mit dem Code-Editor geändert werden.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.buttonShowInfo = new System.Windows.Forms.Button();
+            this.groupBoxProgramInfo = new System.Windows.Forms.GroupBox();
+            this.labelProgramInfo = new System.Windows.Forms.Label();
+            this.groupBoxDLLInfo = new System.Windows.Forms.GroupBox();
+            this.labelDLLInfo = new System.Windows.Forms.Label();
+            this.labelResult = new System.Windows.Forms.Label();
+            this.groupBoxProgramInfo.SuspendLayout();
+            this.groupBoxDLLInfo.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // buttonShowInfo
+            // 
+            this.buttonShowInfo.Location = new System.Drawing.Point(12, 287);
+            this.buttonShowInfo.Name = "buttonShowInfo";
+            this.buttonShowInfo.Size = new System.Drawing.Size(776, 23);
+            this.buttonShowInfo.TabIndex = 0;
+            this.buttonShowInfo.Text = "Start";
+            this.buttonShowInfo.UseVisualStyleBackColor = true;
+            this.buttonShowInfo.Click += new System.EventHandler(this.buttonShowInfo_Click);
+            // 
+            // groupBoxProgramInfo
+            // 
+            this.groupBoxProgramInfo.Controls.Add(this.labelProgramInfo);
+            this.groupBoxProgramInfo.Location = new System.Drawing.Point(12, 372);
+            this.groupBoxProgramInfo.Name = "groupBoxProgramInfo";
+            this.groupBoxProgramInfo.Size = new System.Drawing.Size(385, 66);
+            this.groupBoxProgramInfo.TabIndex = 11;
+            this.groupBoxProgramInfo.TabStop = false;
+            this.groupBoxProgramInfo.Text = "Programm Information";
+            // 
+            // labelProgramInfo
+            // 
+            this.labelProgramInfo.AutoSize = true;
+            this.labelProgramInfo.ImeMode = System.Windows.Forms.ImeMode.NoControl;
+            this.labelProgramInfo.Location = new System.Drawing.Point(7, 20);
+            this.labelProgramInfo.Name = "labelProgramInfo";
+            this.labelProgramInfo.Size = new System.Drawing.Size(16, 13);
+            this.labelProgramInfo.TabIndex = 0;
+            this.labelProgramInfo.Text = "...";
+            // 
+            // groupBoxDLLInfo
+            // 
+            this.groupBoxDLLInfo.Controls.Add(this.labelDLLInfo);
+            this.groupBoxDLLInfo.Location = new System.Drawing.Point(403, 372);
+            this.groupBoxDLLInfo.Name = "groupBoxDLLInfo";
+            this.groupBoxDLLInfo.Size = new System.Drawing.Size(385, 66);
+            this.groupBoxDLLInfo.TabIndex = 12;
+            this.groupBoxDLLInfo.TabStop = false;
+            this.groupBoxDLLInfo.Text = "DLL Information";
+            // 
+            // labelDLLInfo
+            // 
+            this.labelDLLInfo.AutoSize = true;
+            this.labelDLLInfo.ImeMode = System.Windows.Forms.ImeMode.NoControl;
+            this.labelDLLInfo.Location = new System.Drawing.Point(7, 20);
+            this.labelDLLInfo.Name = "labelDLLInfo";
+            this.labelDLLInfo.Size = new System.Drawing.Size(16, 13);
+            this.labelDLLInfo.TabIndex = 0;
+            this.labelDLLInfo.Text = "...";
+            // 
+            // labelResult
+            // 
+            this.labelResult.AutoSize = true;
+            this.labelResult.Location = new System.Drawing.Point(12, 13);
+            this.labelResult.Name = "labelResult";
+            this.labelResult.Size = new System.Drawing.Size(16, 13);
+            this.labelResult.TabIndex = 13;
+            this.labelResult.Text = "...";
+            // 
+            // Form1
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.labelResult);
+            this.Controls.Add(this.groupBoxProgramInfo);
+            this.Controls.Add(this.groupBoxDLLInfo);
+            this.Controls.Add(this.buttonShowInfo);
+            this.Name = "Form1";
+            this.Text = "Test_InfoBox";
+            this.Load += new System.EventHandler(this.Form1_Load);
+            this.groupBoxProgramInfo.ResumeLayout(false);
+            this.groupBoxProgramInfo.PerformLayout();
+            this.groupBoxDLLInfo.ResumeLayout(false);
+            this.groupBoxDLLInfo.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button buttonShowInfo;
+        private System.Windows.Forms.GroupBox groupBoxProgramInfo;
+        private System.Windows.Forms.Label labelProgramInfo;
+        private System.Windows.Forms.GroupBox groupBoxDLLInfo;
+        private System.Windows.Forms.Label labelDLLInfo;
+        private System.Windows.Forms.Label labelResult;
+    }
+}
+
diff --git a/Test_Registry/Form1.cs b/Test_Registry/Form1.cs
new file mode 100644
index 0000000..9003a95
--- /dev/null
+++ b/Test_Registry/Form1.cs
@@ -0,0 +1,173 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Drawing.Text;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using Eugen.ESystem;
+using static Eugen.ESystem.Registry;
+
+namespace Test_Registry
+{
+    public partial class Form1 : Form
+    {
+        #region Version und Copyright
+        // Version und Copyright
+        string programName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
+        string programVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
+        static object[] attributes = System.Reflection.Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
+        string copyright = GenerateCopyright();
+        string icon = Application.StartupPath + "\\Info.bmp";
+        //Assembly Datum und Zeit
+        static DateTime value = AssemblyDateTime();
+        string date = value.ToShortDateString();
+        string time = value.ToLongTimeString();
+        private static DateTime AssemblyDateTime()
+        {
+            var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
+            var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
+            //Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
+            return buildDateTime;
+        }
+
+        private static string CurrentYear()
+        {
+            DateTime dtn = DateTime.Now;
+            return dtn.Year.ToString();
+        }
+
+        private static string StartYear()
+        {
+            //string startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+            //return startYear.Remove(0, startYear.LastIndexOf(" ") + 1);
+            string startYear = "";
+            if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
+            {
+                startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
+                while (startYear.StartsWith(" "))
+                {
+                    startYear = startYear.Remove(0, 1);
+                }
+                startYear = startYear.Remove(startYear.IndexOf(" "));
+                return startYear;
+            }
+            else
+            {
+                DateTime dtn = DateTime.Now;
+                return dtn.Year.ToString();
+            }
+        }
+
+        private static string GenerateCopyright()
+        {
+            string startYear = StartYear();
+            string currentYear = CurrentYear();
+
+            if (startYear == currentYear)
+            {
+                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+            }
+            else
+            {
+                //return String.Concat(((AssemblyCopyrightAttribute)attributes[0]).Copyright, "-", currentYear);
+                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace(startYear, String.Concat(startYear, "-", currentYear));
+            }
+        }
+        #endregion
+
+        #region Programm-Info
+        /// <summary>
+        /// Contains the name of the program file
+        /// </summary>
+        public static string ProgramName { set; get; }
+
+        /// <summary>
+        /// Contains the version of the program file
+        /// </summary>
+        public static string ProgramVersion { set; get; }
+
+        /// <summary>
+        /// Contains the copyright notice
+        /// </summary>
+        public static string Copyright { set; get; }
+
+        private void SetProgramInfo()
+        {
+            //Name, Version und Copyright setzen
+            ProgramName = programName;
+            ProgramVersion = programVersion;
+            Copyright = copyright;
+        }
+        #endregion
+
+        public Form1()
+        {
+            SetProgramInfo();
+            InitializeComponent();
+        }
+
+        private void Form1_Load(object sender, EventArgs e)
+        {
+            labelProgramInfo.Text = String.Concat(ProgramName, "\r\n", ProgramVersion, "\r\n", Copyright); // Zeigt die Programm-Information an
+
+            labelDLLInfo.Text = String.Concat(Registry.DllName, "\r\n", Registry.DllVersion, "\r\n", Registry.Copyright); // Zeigt die DLL-Information an
+        }
+
+        private void buttonShowInfo_Click(object sender, EventArgs e)
+        {
+            //
+            // Diese Zeilen gehört in das Programm kopiert
+            //
+            // Aufruf des Informationsfensters
+
+            RegMainKey mainKey = RegMainKey.CurrentUser;
+            string subKey = @"SOFTWARE\MySubkey";
+            string regKey = "MyRegkey";
+            string regValue = "MyValue";
+
+            WriteKey(mainKey, subKey, regKey, regValue); //Werte in die Registry schreiben
+
+            string value = ReadKey(mainKey, subKey, regKey); //Wert aus der Registry lesen
+
+            DeleteKey(mainKey, subKey, regKey); //Subkey löschen
+
+            labelResult.Text = "MainKey: " + mainKey + "\nSubKey:  " + subKey + "\nRegKey:  " + regKey + "\nValue:  " + regValue + "\n\nWert in die Registry schreiben\nGelesener Wert aus der Registry: \'" + value + "\'\nRegistry-Key wieder löschen";
+        }
+
+        Registry reg = new Registry();
+
+        private void WriteKey(RegMainKey mainKey, string subKey, string regKey, string regValue)
+        {
+            reg.MainKey = mainKey;
+            reg.SubKey = subKey;
+            reg.Key = regKey;
+            reg.Value = regValue;
+
+            reg.WriteSubkey(); //Werte in die Registry schreiben
+        }
+
+        private string ReadKey(RegMainKey mainKey, string subKey, string regKey)
+        {
+            reg.MainKey = mainKey;
+            reg.SubKey = subKey;
+            reg.Key = regKey;
+
+            return reg.ReadSubkey().ToString(); //Wert aus der Registry lesen
+        }
+
+        private void DeleteKey(RegMainKey mainKey, string subKey, string regKey)
+        {
+            reg.MainKey = mainKey;
+            reg.SubKey = subKey;
+            reg.Key = regKey;
+
+            reg.DeleteSubkey(); //Werte in die Registry schreiben
+        }
+    }
+}
diff --git a/Test_Registry/Form1.resx b/Test_Registry/Form1.resx
new file mode 100644
index 0000000..29dcb1b
--- /dev/null
+++ b/Test_Registry/Form1.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/Test_Registry/Program.cs b/Test_Registry/Program.cs
new file mode 100644
index 0000000..a9a0acd
--- /dev/null
+++ b/Test_Registry/Program.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Test_Registry
+{
+    internal static class Program
+    {
+        /// <summary>
+        /// Der Haupteinstiegspunkt für die Anwendung.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new Form1());
+        }
+    }
+}
diff --git a/Test_Registry/Properties/AssemblyInfo.cs b/Test_Registry/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..4542590
--- /dev/null
+++ b/Test_Registry/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("Test_Registry")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Test_Registry")]
+[assembly: AssemblyCopyright("Copyright © 2022 by Eugen Höglinger")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("0ae67a7e-70e2-4f1f-a0bd-94d3c2e45b91")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// übernehmen, indem Sie "*" eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.*")]
+//[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Test_Registry/Properties/Resources.Designer.cs b/Test_Registry/Properties/Resources.Designer.cs
new file mode 100644
index 0000000..1f25864
--- /dev/null
+++ b/Test_Registry/Properties/Resources.Designer.cs
@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Dieser Code wurde von einem Tool generiert.
+//     Laufzeitversion:4.0.30319.42000
+//
+//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     der Code erneut generiert wird.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+
+namespace Test_Registry.Properties
+{
+    /// <summary>
+    ///   Eine stark typisierte Ressourcenklasse zum Suchen von lokalisierten Zeichenfolgen usw.
+    /// </summary>
+    // Diese Klasse wurde von der StronglyTypedResourceBuilder automatisch generiert
+    // -Klasse über ein Tool wie ResGen oder Visual Studio automatisch generiert.
+    // Um einen Member hinzuzufügen oder zu entfernen, bearbeiten Sie die .ResX-Datei und führen dann ResGen
+    // mit der /str-Option erneut aus, oder Sie erstellen Ihr VS-Projekt neu.
+    [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
+    {
+
+        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()
+        {
+        }
+
+        /// <summary>
+        ///   Gibt die zwischengespeicherte ResourceManager-Instanz zurück, die von dieser Klasse verwendet wird.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager
+        {
+            get
+            {
+                if (object.ReferenceEquals(resourceMan, null))
+                {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("Test_Registry.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+
+        /// <summary>
+        ///   Überschreibt die CurrentUICulture-Eigenschaft des aktuellen Threads für alle
+        ///   Ressourcenzuordnungen, die diese stark typisierte Ressourcenklasse verwenden.
+        /// </summary>
+        [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/Test_Registry/Properties/Resources.resx b/Test_Registry/Properties/Resources.resx
new file mode 100644
index 0000000..ffecec8
--- /dev/null
+++ b/Test_Registry/Properties/Resources.resx
@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/Test_Registry/Properties/Settings.Designer.cs b/Test_Registry/Properties/Settings.Designer.cs
new file mode 100644
index 0000000..24aab25
--- /dev/null
+++ b/Test_Registry/Properties/Settings.Designer.cs
@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Dieser Code wurde von einem Tool generiert.
+//     Laufzeitversion:4.0.30319.42000
+//
+//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     der Code erneut generiert wird.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace Test_Registry.Properties
+{
+
+
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.1.0.0")]
+    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/Test_Registry/Properties/Settings.settings b/Test_Registry/Properties/Settings.settings
new file mode 100644
index 0000000..abf36c5
--- /dev/null
+++ b/Test_Registry/Properties/Settings.settings
@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)">
+  <Profiles>
+    <Profile Name="(Default)" />
+  </Profiles>
+  <Settings />
+</SettingsFile>
diff --git a/Test_Registry/Test_Registry.csproj b/Test_Registry/Test_Registry.csproj
new file mode 100644
index 0000000..95e11f0
--- /dev/null
+++ b/Test_Registry/Test_Registry.csproj
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{0AE67A7E-70E2-4F1F-A0BD-94D3C2E45B91}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>Test_Registry</RootNamespace>
+    <AssemblyName>Test_Registry</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>false</Deterministic>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="heregistry">
+      <HintPath>..\Registry\bin\Debug\heregistry.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Deployment" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Form1.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="Form1.Designer.cs">
+      <DependentUpon>Form1.cs</DependentUpon>
+    </Compile>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <EmbeddedResource Include="Form1.resx">
+      <DependentUpon>Form1.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/Test_Registry/bin/Debug/Test_Registry.exe b/Test_Registry/bin/Debug/Test_Registry.exe
new file mode 100644
index 0000000..445a285
Binary files /dev/null and b/Test_Registry/bin/Debug/Test_Registry.exe differ
diff --git a/Test_Registry/bin/Debug/Test_Registry.exe.config b/Test_Registry/bin/Debug/Test_Registry.exe.config
new file mode 100644
index 0000000..5ffd8f8
--- /dev/null
+++ b/Test_Registry/bin/Debug/Test_Registry.exe.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
+    </startup>
+</configuration>
diff --git a/Test_Registry/bin/Debug/Test_Registry.pdb b/Test_Registry/bin/Debug/Test_Registry.pdb
new file mode 100644
index 0000000..9de41c3
Binary files /dev/null and b/Test_Registry/bin/Debug/Test_Registry.pdb differ
diff --git a/Test_Registry/bin/Debug/heregistry.dll b/Test_Registry/bin/Debug/heregistry.dll
new file mode 100644
index 0000000..c620259
Binary files /dev/null and b/Test_Registry/bin/Debug/heregistry.dll differ
diff --git a/Test_Registry/bin/Debug/heregistry.pdb b/Test_Registry/bin/Debug/heregistry.pdb
new file mode 100644
index 0000000..40d1847
Binary files /dev/null and b/Test_Registry/bin/Debug/heregistry.pdb differ
diff --git a/Test_Registry/obj/Debug/.NETFramework,Version=v4.8.AssemblyAttributes.cs b/Test_Registry/obj/Debug/.NETFramework,Version=v4.8.AssemblyAttributes.cs
new file mode 100644
index 0000000..3cf0af3
--- /dev/null
+++ b/Test_Registry/obj/Debug/.NETFramework,Version=v4.8.AssemblyAttributes.cs
@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
diff --git a/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferences.cache b/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferences.cache
new file mode 100644
index 0000000..2a64df3
Binary files /dev/null and b/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferences.cache differ
diff --git a/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache b/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
new file mode 100644
index 0000000..5df9763
Binary files /dev/null and b/Test_Registry/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.Form1.resources b/Test_Registry/obj/Debug/Test_Registry.Form1.resources
new file mode 100644
index 0000000..6c05a97
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.Form1.resources differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.Properties.Resources.resources b/Test_Registry/obj/Debug/Test_Registry.Properties.Resources.resources
new file mode 100644
index 0000000..6c05a97
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.Properties.Resources.resources differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.AssemblyReference.cache b/Test_Registry/obj/Debug/Test_Registry.csproj.AssemblyReference.cache
new file mode 100644
index 0000000..ec93682
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.csproj.AssemblyReference.cache differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.CopyComplete b/Test_Registry/obj/Debug/Test_Registry.csproj.CopyComplete
new file mode 100644
index 0000000..e69de29
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.CoreCompileInputs.cache b/Test_Registry/obj/Debug/Test_Registry.csproj.CoreCompileInputs.cache
new file mode 100644
index 0000000..4fc1cfc
--- /dev/null
+++ b/Test_Registry/obj/Debug/Test_Registry.csproj.CoreCompileInputs.cache
@@ -0,0 +1 @@
+0fd3fe2b3c603ba1f9ac39754e925fe501d4d937
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.FileListAbsolute.txt b/Test_Registry/obj/Debug/Test_Registry.csproj.FileListAbsolute.txt
new file mode 100644
index 0000000..e54ae31
--- /dev/null
+++ b/Test_Registry/obj/Debug/Test_Registry.csproj.FileListAbsolute.txt
@@ -0,0 +1,14 @@
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.csproj.AssemblyReference.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.csproj.SuggestedBindingRedirects.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.Form1.resources
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.Properties.Resources.resources
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.csproj.GenerateResource.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.csproj.CoreCompileInputs.cache
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\bin\Debug\Test_Registry.exe.config
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\bin\Debug\Test_Registry.exe
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\bin\Debug\Test_Registry.pdb
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\bin\Debug\heregistry.dll
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\bin\Debug\heregistry.pdb
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.csproj.CopyComplete
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.exe
+H:\Programmieren\Git-WorkRepository\VisualStudio\_DLL\Registry.git\Test_Registry\obj\Debug\Test_Registry.pdb
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.GenerateResource.cache b/Test_Registry/obj/Debug/Test_Registry.csproj.GenerateResource.cache
new file mode 100644
index 0000000..acc8e0c
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.csproj.GenerateResource.cache differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.csproj.SuggestedBindingRedirects.cache b/Test_Registry/obj/Debug/Test_Registry.csproj.SuggestedBindingRedirects.cache
new file mode 100644
index 0000000..e69de29
diff --git a/Test_Registry/obj/Debug/Test_Registry.exe b/Test_Registry/obj/Debug/Test_Registry.exe
new file mode 100644
index 0000000..445a285
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.exe differ
diff --git a/Test_Registry/obj/Debug/Test_Registry.pdb b/Test_Registry/obj/Debug/Test_Registry.pdb
new file mode 100644
index 0000000..9de41c3
Binary files /dev/null and b/Test_Registry/obj/Debug/Test_Registry.pdb differ
diff --git a/Test_Registry/obj/Debug/_IsIncrementalBuild b/Test_Registry/obj/Debug/_IsIncrementalBuild
new file mode 100644
index 0000000..ff132f0
--- /dev/null
+++ b/Test_Registry/obj/Debug/_IsIncrementalBuild
@@ -0,0 +1 @@
+obj\Debug\\_IsIncrementalBuild