Update to _wix4 packages for installer

.github/workflows/build-ilspy.yml

@@ -46,6 +46,9 @@ jobs:
     - name: Install dotnet-format
       run: dotnet tool install -g dotnet-format --version "8.3.546805" --add-source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json
 
+    - name: Install wix (locked version)
+      run: dotnet tool install --global wix --version 6.0.0
+
     - name: Get Version
       id: version
       shell: pwsh

ILSpy.Installer/ILSpy.Installer.csproj

@@ -15,10 +15,21 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="WixSharp" Version="1.26.0" />
-    <PackageReference Include="WixSharp.wix.bin" Version="3.14.1" />
+    <None Remove="*.msi" />
+    <None Remove="*.exe" />
+    <None Remove="*.wxs" />
+    <None Remove="*.wixpdb" />
+    <None Remove="*.wixobj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="WixSharp_wix4" Version="2.6.1" />
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+    <Exec Command="cd .\&#xD;&#xA;set ide=true&#xD;&#xA;&quot;$(TargetPath)&quot;" />
+  </Target>
+
   <ItemGroup>
     <ProjectReference Include="..\ICSharpCode.Decompiler\ICSharpCode.Decompiler.csproj" />
   </ItemGroup>

ILSpy.Installer/README.md

@@ -1,5 +1,19 @@
 # Building the Installer
 
+## Dependencies
+
+See https://github.com/oleg-shilo/wixsharp/wiki#dependencies
+
+```
+dotnet tool install --global wix
+```
+
+GitHub runners installed software https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md at time 
+of writing WiX Toolset 3.14.1.8722
+
+
+## ILSpy Binaries
+
 It is mandatory to first publish(.ps1) the respective target platforms, then setup can be built, eg
 
 ```

ILSpy.Installer/setup.cs

@@ -45,8 +45,7 @@ namespace ILSpy.Installer
 			project.GUID = new Guid("a12fdab1-731b-4a98-9749-d481ce8692ab");
 			project.Version = AppPackage.Version;
 			project.SourceBaseDir = Path.GetDirectoryName(Environment.CurrentDirectory);
-			project.InstallScope = InstallScope.perUser;
-			project.InstallPrivileges = InstallPrivileges.limited;
+			project.Scope = InstallScope.perUser;
 			project.ControlPanelInfo.ProductIcon = @"..\ILSpy\Images\ILSpy.ico";
 			project.ControlPanelInfo.Manufacturer = "ICSharpCode Team";
 			project.LocalizationFile = Path.Combine(Environment.CurrentDirectory, "winui.wxl");
@@ -71,41 +70,7 @@ namespace ILSpy.Installer
 					new FileShortcut("ILSpy", @"%ProgramMenu%")
 				};
 
-			Compiler.WixLocation = GetWixBinLocationForPackage();
 			Compiler.BuildMsi(project, Path.Combine(Environment.CurrentDirectory, "wix", $"ILSpy-{AppPackage.Version}-{buildPlatform}.msi"));
 		}
-
-		// Copied from https://github.com/oleg-shilo/wixsharp/blob/c4f8615ce8e47c7162edb30656669d0d326f79ff/Source/src/WixSharp/Utilities/WixBinLocator.cs#L117
-		private static string GetWixBinLocationForPackage()
-		{
-			//The global packages may be redirected with environment variable
-			//https://docs.microsoft.com/en-us/nuget/consume-packages/managing-the-global-packages-and-cache-folders
-
-			string wixBinPackageDir;
-			var nugetPackagesEnvironmentVariable = Environment.GetEnvironmentVariable("NUGET_PACKAGES");
-			if (nugetPackagesEnvironmentVariable.IsNotEmpty() && Directory.Exists(nugetPackagesEnvironmentVariable))
-			{
-				wixBinPackageDir = Path.Combine(nugetPackagesEnvironmentVariable, "wixsharp.wix.bin");
-			}
-			else
-			{
-				wixBinPackageDir = @"%userprofile%\.nuget\packages\wixsharp.wix.bin".ExpandEnvVars();
-			}
-
-			if (Directory.Exists(wixBinPackageDir))
-			{
-				Version greatestWixBinVersion = System.IO.Directory.GetDirectories(wixBinPackageDir)
-																   .Select(dirPath => new Version(dirPath.PathGetFileName()))
-																   .OrderDescending()
-																   .FirstOrDefault();
-
-				if (greatestWixBinVersion != null)
-				{
-					return wixBinPackageDir.PathJoin(greatestWixBinVersion.ToString(), @"tools\bin");
-				}
-			}
-
-			return "";
-		}
 	}
 }

ILSpy.Installer/winui.wxl

@@ -1,10 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<WixLocalization  Culture="en-US" xmlns="http://schemas.microsoft.com/wix/2006/localization">
-	<String Id="VerifyReadyDlgInstallText" Overridable="yes">Click Install to begin the installation. Click Cancel to exit the wizard.
-		
-		
-		ILSpy will be installed for current user into following directory:
-		
-		    [INSTALLDIR]
-	</String>
+<WixLocalization  Culture="en-US" xmlns="http://wixtoolset.org/schemas/v4/wxl">
+	<String Id="VerifyReadyDlgInstallText" Overridable="yes" Value="Click Install to begin the installation. Click Cancel to exit the wizard.&#xD;&#xA;&#x9;&#xD;&#xA;&#x9;ILSpy will be installed for current user into following directory:&#xD;&#xA;&#x9;&#xD;&#xA;&#x9;[INSTALLDIR]"></String>
 </WixLocalization>