Migrate .sln files to .slnx

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           dotnet-version: |
             8.0.x
-            9.0.x
+            9.0.3xx
       - run: dotnet tool install -g GitVersion.Tool --version 5.11.1
       - name: Resolve version
         id: version
@@ -56,18 +56,18 @@ jobs:
           if [ "${{ github.event_name }}" = "pull_request" ]; then version=$pr_version; fi
           echo "Resolved CLI version: $version"
           echo "version=${version}" >> $GITHUB_OUTPUT
-      - run: dotnet restore Roslynator.sln
-      - run: dotnet build Roslynator.sln --no-restore
+      - run: dotnet restore Roslynator.slnx
+      - run: dotnet build Roslynator.slnx --no-restore
       - run: |
-          dotnet format Roslynator.sln --no-restore --verify-no-changes --severity info
-      - run: dotnet test Roslynator.sln --no-build
+          dotnet format Roslynator.slnx --no-restore --verify-no-changes --severity info
+      - run: dotnet test Roslynator.slnx --no-build
       - uses: actions/checkout@v4
         with:
           repository: josefpihrt/wordb
           path: wordb
-      - run: dotnet tool install -g Roslynator.DotNet.Cli --version 0.8.3
+      - run: dotnet tool install -g Roslynator.DotNet.Cli --version 0.11.0
       - run: |
-          roslynator spellcheck Roslynator.sln --dry-run --scope all --words \
+          roslynator spellcheck Roslynator.slnx --dry-run --scope all --words \
             spellcheck \
             ../wordb/data/en \
             ../wordb/data/en-us \
@@ -90,7 +90,7 @@ jobs:
         with:
           dotnet-version: |
             8.0.x
-            9.0.x
+            9.0.3xx
       - run: dotnet restore Roslynator.CoreAndTesting.slnf
       - run: dotnet build Roslynator.CoreAndTesting.slnf --no-restore
       - run: dotnet pack Roslynator.CoreAndTesting.slnf --no-build -o _nupkg
@@ -273,7 +273,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 9.0.x
+          dotnet-version: 9.0.3xx
       - run: dotnet restore
       - run: dotnet build --no-restore
       - run: dotnet pack --no-build

.vscode/settings.json

@@ -1,3 +1,3 @@
 {
-    "dotnet.defaultSolution": "src/Roslynator.sln"
+    "dotnet.defaultSolution": "src/Roslynator.slnx"
 }

src/CommandLine.slnx

@@ -0,0 +1,22 @@
+<Solution>
+  <Folder Name="/Solution Items/">
+    <File Path="../.github/workflows/build.yml" />
+    <File Path="../ChangeLog.md" />
+    <File Path="../README.md" />
+    <File Path="Directory.Build.props" />
+  </Folder>
+  <Folder Name="/Tests/">
+    <Project Path="Tests/Core.Tests/Core.Tests.csproj" />
+  </Folder>
+  <Project Path="CommandLine.DocumentationGenerator/CommandLine.DocumentationGenerator.csproj" />
+  <Project Path="CommandLine/CommandLine.csproj" />
+  <Project Path="Common/Common.csproj" />
+  <Project Path="Core/Core.csproj" />
+  <Project Path="CSharp.Workspaces/CSharp.Workspaces.csproj" />
+  <Project Path="CSharp/CSharp.csproj" />
+  <Project Path="Documentation/Documentation.csproj" />
+  <Project Path="VisualBasic.Workspaces/VisualBasic.Workspaces.csproj" />
+  <Project Path="VisualBasic/VisualBasic.csproj" />
+  <Project Path="Workspaces.Common/Workspaces.Common.csproj" />
+  <Project Path="Workspaces.Core/Workspaces.Core.csproj" />
+</Solution>

src/Roslynator.CoreAndTesting.slnf

@@ -1,6 +1,6 @@
 {
   "solution": {
-    "path": "Roslynator.sln",
+    "path": "Roslynator.slnx",
     "projects": [
       "CSharp.Workspaces\\CSharp.Workspaces.csproj",
       "CSharp\\CSharp.csproj",