Support .NET Framework 2.0

This does not include the UI, as per the same reasons why .NET Framework 4.0 doesn't support it.

CHANGELIST.md

@@ -32,6 +32,7 @@
 - Re-enable .NET Framework 4.0 building in Check
 - Support .NET Framework 3.5
 - Update compatibility libraries
+- Support .NET Framework 2.0
 
 ### 3.0.0 (2023-11-14)
 

MPF.Check/MPF.Check.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <TargetFrameworks>net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <OutputType>Exe</OutputType>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>

MPF.Check/Program.cs

@@ -74,7 +74,7 @@ namespace MPF.Check
                 var env = new DumpEnvironment(options, filepath, drive, knownSystem, mediaType, internalProgram: null, parameters: null);
 
                 // Finally, attempt to do the output dance
-#if NET20 || NET35 || NET40
+#if NET40
                 var resultTask = env.VerifyAndSaveDumpOutput(resultProgress, protectionProgress);
                 resultTask.Wait();
                 var result = resultTask.Result;

MPF.Core/DumpEnvironment.cs

@@ -219,7 +219,7 @@ namespace MPF.Core
         /// Execute the initial invocation of the dumping programs
         /// </summary>
         /// <param name="progress">Optional result progress callback</param>
-#if NET20 || NET40
+#if NET40
         public Result Run(IProgress<Result>? progress = null)
 #else
         public async Task<Result> Run(IProgress<Result>? progress = null)
@@ -249,7 +249,7 @@ namespace MPF.Core
             if (!string.IsNullOrEmpty(directoryName))
                 Directory.CreateDirectory(directoryName);
 
-#if NET20 || NET40
+#if NET40
             var executeTask = Task.Factory.StartNew(() => Parameters.ExecuteInternalProgram(Options.ToolsInSeparateWindow));
             executeTask.Wait();
 #else
@@ -447,7 +447,7 @@ namespace MPF.Core
         private static async Task<string> ExecuteInternalProgram(BaseParameters parameters)
         {
             Process childProcess;
-#if NET20 || NET40
+#if NET40
             string output = await Task.Factory.StartNew(() =>
 #else
             string output = await Task.Run(() =>

MPF.Core/MPF.Core.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <TargetFrameworks>net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <LangVersion>latest</LangVersion>

MPF.Core/Protection.cs

@@ -23,7 +23,7 @@ namespace MPF.Core
         {
             try
             {
-#if NET20 || NET40
+#if NET40
                 var found = await Task.Factory.StartNew(() =>
                 {
                     var scanner = new BinaryObjectScanner.Scanner(
@@ -117,7 +117,7 @@ namespace MPF.Core
             if (string.IsNullOrEmpty(path))
                 return false;
 
-#if NET20 || NET40
+#if NET40
             return await Task.Factory.StartNew(() =>
             {
                 try

MPF.Core/SubmissionInfoTool.cs

@@ -99,7 +99,7 @@ namespace MPF.Core
 
             // Get a list of matching IDs for each line in the DAT
             if (!string.IsNullOrEmpty(info.TracksAndWriteOffsets!.ClrMameProData) && options.HasRedumpLogin)
-#if NET20 || NET35 || NET40
+#if NET40
                 _ = FillFromRedump(options, info, resultProgress);
 #else
                 _ = await FillFromRedump(options, info, resultProgress);
@@ -445,7 +445,7 @@ namespace MPF.Core
         /// <param name="options">Options object representing user-defined options</param>
         /// <param name="info">Existing SubmissionInfo object to fill</param>
         /// <param name="resultProgress">Optional result progress callback</param>
-#if NET20 || NET40
+#if NET40
         public static bool FillFromRedump(Options options, SubmissionInfo info, IProgress<Result>? resultProgress = null)
 #else
         public async static Task<bool> FillFromRedump(Options options, SubmissionInfo info, IProgress<Result>? resultProgress = null)
@@ -510,7 +510,7 @@ namespace MPF.Core
                     continue;
                 }
 
-#if NET20 || NET35 || NET40
+#if NET40
                 var validateTask = Validator.ValidateSingleTrack(wc, info, hashData);
                 validateTask.Wait();
                 (bool singleFound, var foundIds, string? result) = validateTask.Result;
@@ -543,7 +543,7 @@ namespace MPF.Core
             // If we don't have any matches but we have a universal hash
             if (!info.PartiallyMatchedIDs.Any() && info.CommonDiscInfo?.CommentsSpecialFields?.ContainsKey(SiteCode.UniversalHash) == true)
             {
-#if NET20 || NET35 || NET40
+#if NET40
                 var validateTask = Validator.ValidateUniversalHash(wc, info);
                 validateTask.Wait();
                 (bool singleFound, var foundIds, string? result) = validateTask.Result;
@@ -586,7 +586,7 @@ namespace MPF.Core
             for (int i = 0; i < totalMatchedIDsCount; i++)
             {
                 // Skip if the track count doesn't match
-#if NET20 || NET35 || NET40
+#if NET40
                 var validateTask = Validator.ValidateTrackCount(wc, fullyMatchedIDs[i], trackCount);
                 validateTask.Wait();
                 if (!validateTask.Result)
@@ -597,7 +597,7 @@ namespace MPF.Core
 
                 // Fill in the fields from the existing ID
                 resultProgress?.Report(Result.Success($"Filling fields from existing ID {fullyMatchedIDs[i]}..."));
-#if NET20 || NET40
+#if NET40
                 var fillTask = Task.Factory.StartNew(() => Builder.FillFromId(wc, info, fullyMatchedIDs[i], options.PullAllInformation));
                 fillTask.Wait();
                 _ = fillTask.Result;

MPF.Core/UI/ViewModels/MainViewModel.cs

@@ -1419,7 +1419,7 @@ namespace MPF.Core.UI.ViewModels
         /// <summary>
         /// Scan and show copy protection for the current disc
         /// </summary>
-#if NET20 || NET35 || NET40
+#if NET40
         public (string?, string?) ScanAndShowProtection()
 #else
         public async Task<(string?, string?)> ScanAndShowProtection()
@@ -1443,7 +1443,7 @@ namespace MPF.Core.UI.ViewModels
 
             var progress = new Progress<ProtectionProgress>();
             progress.ProgressChanged += ProgressUpdated;
-#if NET20 || NET35 || NET40
+#if NET40
             var protectionTask = Protection.RunProtectionScanOnPath(this.CurrentDrive.Name, this.Options, progress);
             protectionTask.Wait();
             var (protections, error) = protectionTask.Result;
@@ -1611,7 +1611,7 @@ namespace MPF.Core.UI.ViewModels
                 _environment.ReportStatus += ProgressUpdated;
 
                 // Run the program with the parameters
-#if NET20 || NET40
+#if NET40
                 Result result = _environment.Run(resultProgress);
 #else
                 Result result = await _environment.Run(resultProgress);

MPF.Core/UI/ViewModels/OptionsViewModel.cs

@@ -82,9 +82,7 @@ namespace MPF.Core.UI.ViewModels
         public static async Task<(bool?, string?)> TestRedumpLogin(string username, string password)
 #endif
         {
-#if NET20 || NET35
-            return await Task.Run(() => RedumpWebClient.ValidateCredentials(username, password));
-#elif NET40
+#if NET40
             return Task.Factory.StartNew(() => RedumpWebClient.ValidateCredentials(username, password));
 #elif NETFRAMEWORK
             return await Task.Run(() => RedumpWebClient.ValidateCredentials(username, password));

MPF.UI.Core/Windows/MainWindow.xaml.cs

@@ -328,13 +328,13 @@ namespace MPF.UI.Core.Windows
         /// <summary>
         /// Handler for CopyProtectScanButton Click event
         /// </summary>
-#if NET20 || NET35 || NET40
+#if NET40
         public void CopyProtectScanButtonClick(object sender, RoutedEventArgs e)
 #else
         public async void CopyProtectScanButtonClick(object sender, RoutedEventArgs e)
 #endif
         {
-#if NET20 || NET35 || NET40
+#if NET40
             var (output, error) = MainViewModel.ScanAndShowProtection();
 #else
             var (output, error) = await MainViewModel.ScanAndShowProtection();

MPF.UI.Core/Windows/OptionsWindow.xaml.cs

@@ -207,7 +207,7 @@ namespace MPF.UI.Core.Windows
         /// <summary>
         /// Test Redump credentials for validity
         /// </summary>
-#if NET20 || NET35 || NET40
+#if NET40
         private void OnRedumpTestClick(object sender, EventArgs e)
         {
             var validateTask = ValidateRedumpCredentials();