enable multi targeting to support .NET Core 3.1 and .NET 5.0

CodeMaid.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <configSections>
-        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
             <section name="SteveCadwallader.CodeMaid.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
         </sectionGroup>
     </configSections>
@@ -22,12 +22,10 @@
             <setting name="Formatting_CommentWrapColumn" serializeAs="String">
                 <value>100</value>
             </setting>
-            <setting name="Cleaning_InsertBlankLinePaddingBeforePropertiesSingleLine"
-                serializeAs="String">
+            <setting name="Cleaning_InsertBlankLinePaddingBeforePropertiesSingleLine" serializeAs="String">
                 <value>True</value>
             </setting>
-            <setting name="Cleaning_InsertBlankLinePaddingBetweenPropertiesMultiLineAccessors"
-                serializeAs="String">
+            <setting name="Cleaning_InsertBlankLinePaddingBetweenPropertiesMultiLineAccessors" serializeAs="String">
                 <value>True</value>
             </setting>
             <setting name="Progressing_HideBuildProgressOnBuildStop" serializeAs="String">
@@ -36,8 +34,7 @@
             <setting name="Progressing_ShowBuildProgressOnBuildStart" serializeAs="String">
                 <value>False</value>
             </setting>
-            <setting name="Reorganizing_AlphabetizeMembersOfTheSameGroup"
-                serializeAs="String">
+            <setting name="Reorganizing_AlphabetizeMembersOfTheSameGroup" serializeAs="String">
                 <value>True</value>
             </setting>
         </SteveCadwallader.CodeMaid.Properties.Settings>

OletxPatcher.cs

@@ -8,7 +8,7 @@ namespace Softwarehelden.Transactions.Oletx
 {
     /// <summary>
     /// The MSDTC patcher applies patches to the distributed transaction implementation in
-    /// System.Transactions to make promotable transactions work with SQL servers in .NET 6.0. The
+    /// System.Transactions to make promotable transactions work with SQL servers in .NET Core. The
     /// patch would in theory also work for other data providers that support promotable single
     /// phase enlistment (PSPE) using the method Transaction.EnlistPromotableSinglePhase() where the
     /// database itself or an external service acts as a MSDTC superior transaction manager and can
@@ -115,7 +115,7 @@ public static bool GetExportCookie(Transaction transaction, byte[] whereabouts,
                     // MSDTC). System.Transactions calls only the Promote method of the promotable
                     // single phase notification implemented by the ADO.NET provider and do not call
                     // the MSDTC API directly which would result in a PlatformNotSupportedException
-                    // on .NET 6.
+                    // on .NET Core.
                     byte[] propagationToken = transaction.GetPromotedToken();
 
                     if (propagationToken != null)
@@ -129,7 +129,7 @@ public static bool GetExportCookie(Transaction transaction, byte[] whereabouts,
 
                         // Note that Azure SQL supports sending the propagation token directly in
                         // the TDS propagate request to make elastic transactions work natively in
-                        // .NET 6 without querying the MSDTC API.
+                        // .NET Core without querying the MSDTC API.
 
                         // Pull the promoted transaction from the source MSDTC to the local MSDTC
                         // (pull propagation)

OletxTransactionManager.cs

@@ -205,7 +205,7 @@ private IDtcProxyShimFactory GetNotificationFactory()
         }
 
         /// <summary>
-        /// .NET 6 applications cannot participate as durable resource manager in the distributed transaction.
+        /// .NET Core applications cannot participate as durable resource manager in the distributed transaction.
         /// </summary>
         private class MsdtcResourceManager
         {

README.md

@@ -1,10 +1,11 @@
-# Distributed Transactions for MSSQL servers in .NET 6.0
+# Distributed Transactions for MSSQL servers in .NET Core Windows
 
 [![NuGet](https://img.shields.io/nuget/v/Softwarehelden.Transactions.Oletx.svg)](https://www.nuget.org/packages/Softwarehelden.Transactions.Oletx)
 
-.NET 6.0 does not support distributed transactions promoted to MSDTC. .NET applications targeting
-.NET 6.0 can use this library to enable promotable transactions for Microsoft SQL servers and
-volatile resource managers. Below is a list of supported and unsupported .NET data providers.
+.NET Core does not support distributed transactions promoted to MSDTC. .NET applications targeting
+.NET Core 3.1, .NET 5.0 or .NET 6.0 can use this library to enable promotable transactions for
+Microsoft SQL servers and volatile resource managers on the Windows platform. Below is a list of
+supported and unsupported .NET data providers.
 
 ## How it works
 
@@ -17,7 +18,7 @@ When a transaction is being promoted with a custom promoter type, `System.Transa
 `Promote()` method of the promotable single phase notification
 (`IPromotableSinglePhaseNotification`) to delegate the transaction ownership to an external
 transaction manager. Because of the non-MSDTC promoter type, `System.Transactions` does not interact
-with the MSDTC API which would result in the `PlatformNotSupportedException` under .NET 6.0.
+with the MSDTC API which would result in the `PlatformNotSupportedException` under .NET Core.
 Microsoft introduced non-MSDTC promoter types in .NET Framework 4.6.1 to support distributed
 database transactions (called elastic transactions) in Azure SQL using a non-MSDTC coordinator.
 
@@ -31,7 +32,7 @@ the method `TransactionInterop.GetExportCookie()` to propagate the transaction b
 MSDTC services.
 
 This library replaces the default implementation of `TransactionInterop.GetExportCookie()` that
-would otherwise throw a `PlatformNotSupportedException` in .NET 6.0 due to MSDTC promotion. The
+would otherwise throw a `PlatformNotSupportedException` in .NET Core due to MSDTC promotion. The
 patched version of `GetExportCookie()` uses the same MSDTC COM API as the .NET Framework to export
 the MSDTC transaction cookie. This is done in three steps:
 
@@ -55,15 +56,15 @@ Related .NET issue: https://github.com/dotnet/runtime/issues/715
 
 ## How to use
 
-Call `OletxPatcher.Patch()` in the entry point of your .NET 6.0 application:
+Call `OletxPatcher.Patch()` in the entry point of your .NET Core application:
 
 ```cs
 public static class Program
 {
     public static async Task Main(string[] args)
     {
         // Patch the OleTx implementation in System.Transactions to support distributed
-        // transactions for MSSQL servers under .NET 6.0
+        // transactions for MSSQL servers under .NET Core
         OletxPatcher.Patch();
 
         // ..
@@ -125,8 +126,8 @@ The following .NET data providers are supported:
 
 ## Unsupported .NET data providers
 
-- Data provider performs PSPE enlistment but throw an exception when the PSPE enlistment fails (e.g.
-  `Oracle.ManagedDataAccess.Core` and `MySql.Data`).
+- Data provider performs PSPE enlistment but throws an exception when the PSPE enlistment fails
+  (e.g. `Oracle.ManagedDataAccess.Core` and `MySql.Data`).
 - Data provider performs durable enlistment calling `Transaction.EnlistDurable()` or
   `Transaction.PromoteAndEnlistDurable()`. Durable enlistment requires coordination between
   `System.Transactions` and the local MSDTC which is not implemented in this project.

Softwarehelden.Transactions.Oletx.csproj

@@ -1,9 +1,9 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFrameworks>netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
     <Title>Softwarehelden.Transactions.Oletx</Title>
-    <Description>Library to enable distributed OleTx transactions for Microsoft SQL servers in .NET 6.0</Description>
+    <Description>Library to enable distributed transactions for Microsoft SQL servers in .NET Core Windows</Description>
     <Copyright>Softwarehelden GmbH &amp; Co. KG</Copyright>
     <Authors>Softwarehelden GmbH &amp; Co. KG</Authors>
     <PackageProjectUrl>https://github.com/softwarehelden-com/Softwarehelden.Transactions.Oletx</PackageProjectUrl>
@@ -17,6 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Lib.Harmony" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Win32.Registry" Version="5.0.0" Condition="'$(TargetFramework)' == 'netcoreapp3.1' OR '$(TargetFramework)' == 'net5.0'" />
   </ItemGroup>
 
   <ItemGroup>