Convert .sln to .slnx, update VS 2022 references to VS 2026

- ProjectedFSLib.Managed.sln -> ProjectedFSLib.Managed.slnx (XML format)
- Updated build/test scripts and README to reference .slnx
- Presentation: VS 2022 -> VS 2026 in results table

Author: miniksa

ProjectedFSLib.Managed.sln

@@ -0,0 +1,15 @@
+<Solution>
+  <Folder Name="/Solution Items/">
+    <File Path="README.md" />
+  </Folder>
+  <Folder Name="/Scripts/">
+    <File Path="scripts/BuildProjFS-Managed.bat" />
+    <File Path="scripts/InitializeEnvironment.bat" />
+    <File Path="scripts/NukeBuildOutputs.bat" />
+    <File Path="scripts/RunTests.bat" />
+    <File Path="scripts/Pack-NuGet.ps1" />
+  </Folder>
+  <Project Path="ProjectedFSLib.Managed/ProjectedFSLib.Managed.csproj" />
+  <Project Path="ProjectedFSLib.Managed.Test/ProjectedFSLib.Managed.Test.csproj" />
+  <Project Path="simpleProviderManaged/SimpleProviderManaged.csproj" />
+</Solution>

ProjectedFSLib.Managed.slnx

@@ -91,7 +91,7 @@ provider to exercise the API wrapper.
 ## Building
 
 ```powershell
-dotnet build ProjectedFSLib.Managed.sln -c Release
+dotnet build ProjectedFSLib.Managed.slnx -c Release
 ```
 
 Or use the build script:
@@ -103,7 +103,7 @@ Or use the build script:
 ## Running Tests
 
 ```powershell
-dotnet test ProjectedFSLib.Managed.sln -c Release
+dotnet test ProjectedFSLib.Managed.slnx -c Release
 ```
 
 Or use the test script:

README.md

@@ -113,7 +113,7 @@ Non-symlink operations work on both NTFS and ReFS.
 
 | Metric | C++/CLI | Pure C# |
 |--------|---------|---------|
-| Build toolchain | VS 2022 + C++ + C++/CLI | `dotnet build` |
+| Build toolchain | VS 2026 + C++ + C++/CLI | `dotnet build` |
 | Runtime deps | VC++ Redist + Ijwhost.dll | None |
 | NativeAOT | ❌ | ✅ |
 | Trimming | ❌ | ✅ (`IsAotCompatible=true`) |

doc/projfs-pure-csharp-overview.md

@@ -4,7 +4,7 @@ SETLOCAL
 IF "%1"=="" (SET "Configuration=Debug") ELSE (SET "Configuration=%1")
 
 ECHO Building ProjFS Managed API (%Configuration%)...
-dotnet build "%~dp0\..\ProjectedFSLib.Managed.sln" -c %Configuration%
+dotnet build "%~dp0\..\ProjectedFSLib.Managed.slnx" -c %Configuration%
 IF %ERRORLEVEL% NEQ 0 (
     ECHO Build failed with error %ERRORLEVEL%
     EXIT /b %ERRORLEVEL%

scripts/BuildProjFS-Managed.bat

@@ -4,7 +4,7 @@ SETLOCAL
 IF "%1"=="" (SET "Configuration=Debug") ELSE (SET "Configuration=%1")
 
 ECHO Running ProjFS Managed API tests (%Configuration%)...
-dotnet test "%~dp0\..\ProjectedFSLib.Managed.sln" -c %Configuration% --no-build
+dotnet test "%~dp0\..\ProjectedFSLib.Managed.slnx" -c %Configuration% --no-build
 IF %ERRORLEVEL% NEQ 0 (
     ECHO Tests failed with error %ERRORLEVEL%
     EXIT /b %ERRORLEVEL%