direct p/invoke

Author: kasperk81

Directory.Build.props

@@ -20,6 +20,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
+    <SdkSrcRoot>$([MSBuild]::NormalizeDirectory('$(MSBuildThisFileDirectory)', 'src'))</SdkSrcRoot>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <LangVersion>Latest</LangVersion>
     <TreatWarningsAsErrors>True</TreatWarningsAsErrors>

NuGet.config

@@ -28,9 +28,6 @@
     <add key="vs-impl" value="https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-impl/nuget/v3/index.json" />
     <!-- Used for Rich Navigation indexing task -->
     <add key="richnav" value="https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-buildservices/nuget/v3/index.json" />
-
-    <!-- remove once https://www.nuget.org/packages/WixToolset.Dtf.WindowsInstaller is uploaded to dotnet feed -->
-    <add key="local" value="c:\temp\packages" />
   </packageSources>
   <disabledPackageSources>
     <clear />

eng/dependabot/Packages.props

@@ -3,8 +3,6 @@
   <!-- Packages in this file have versions updated periodically by Dependabot. Versions managed by Darc/Maestro should be in ..\Packages.props. -->
 
   <ItemGroup>
-    <PackageVersion Include="WixToolset.Dtf.WindowsInstaller" Version="4.0.6" />
-
     <!--Test dependencies-->
     <PackageVersion Include="Verify.Xunit" Version="25.0.2" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.0.0" />

src/Installer/finalizer/Program.cs

@@ -1,10 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.IO;
 using Microsoft.Win32;
-using WixToolset.Dtf.WindowsInstaller;
+using Microsoft.Win32.Msi;
 
 if (args.Length < 3)
 {
@@ -99,7 +97,8 @@ static bool DetectSdk(string featureBandVersion, string platform)
 
 static bool RemoveDependent(string dependent)
 {
-    Installer.SetInternalUI(InstallUIOptions.Silent);
+    // Disable MSI UI
+    _ = MsiSetInternalUI((uint)InstallUILevel.NoChange, IntPtr.Zero);
 
     // Open the installer dependencies registry key
     // This has to be an exhaustive search as we're not looking for a specific provider key, but for a specific dependent
@@ -108,7 +107,7 @@ static bool RemoveDependent(string dependent)
     if (hkInstallerDependenciesKey == null)
     {
         Console.WriteLine("Installer dependencies key does not exist.");
-        return false; // No dependencies to remove
+        return false;
     }
 
     // Iterate over each provider key in the dependencies
@@ -124,10 +123,8 @@ static bool RemoveDependent(string dependent)
         if (hkDependentsKey == null) continue;
 
         // Check if the dependent exists and continue if it does not
-        string[] dependentsKeys = hkDependentsKey.GetSubKeyNames();
         bool dependentExists = false;
-
-        foreach (string dependentsKeyName in dependentsKeys)
+        foreach (string dependentsKeyName in hkDependentsKey.GetSubKeyNames())
         {
             if (string.Equals(dependentsKeyName, dependent, StringComparison.OrdinalIgnoreCase))
             {
@@ -138,7 +135,7 @@ static bool RemoveDependent(string dependent)
 
         if (!dependentExists)
         {
-            continue; // Skip to the next provider key if the dependent does not exist
+            continue;
         }
 
         Console.WriteLine($"Dependent match found: {dependent}");
@@ -163,8 +160,8 @@ static bool RemoveDependent(string dependent)
             {
                 string productCode = hkProviderKey.GetValue("ProductId").ToString();
 
-                // Configure the product to be absent
-                Installer.ConfigureProduct(productCode, 0, InstallState.Absent, "");
+                // Configure the product to be absent (uninstall the product)
+                uint error = MsiConfigureProductEx(productCode, (int)InstallUILevel.Default, InstallState.ABSENT, "");
                 Console.WriteLine("Product configured to absent successfully.");
             }
             catch (Exception ex)
@@ -244,3 +241,11 @@ static bool IsRebootPending()
   Console.WriteLine("No reboot pending.");
   return false;
 }
+
+[DllImport("msi.dll", CharSet = CharSet.Unicode)]
+[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
+static extern uint MsiConfigureProductEx(string szProduct, int iInstallLevel, InstallState eInstallState, string szCommandLine);
+
+[DllImport("msi.dll", CharSet = CharSet.Unicode)]
+[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
+static extern uint MsiSetInternalUI(uint dwUILevel, IntPtr phWnd);

src/Installer/finalizer/finalizer.csproj

@@ -2,15 +2,16 @@
 
   <PropertyGroup>
     <TargetFramework>$(SdkTargetFramework)-windows</TargetFramework>
-    <OutputType>Exe</OutputType>
+    <OutputType>WinExe</OutputType>
     <PublishAot>true</PublishAot>
     <UseCurrentRuntimeIdentifier>true</UseCurrentRuntimeIdentifier>
     <_IsPublishing>true</_IsPublishing>
     <PublishDir>$(ArtifactsDir)bin\finalizer\$(Configuration)\$(SdkTargetFramework)-win-$(Architecture)\publish</PublishDir>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="WixToolset.Dtf.WindowsInstaller" />
+    <Compile Include="$(SdkSrcRoot)Microsoft.Win32.Msi\InstallUILevel.cs" />
+    <Compile Include="$(SdkSrcRoot)Microsoft.Win32.Msi\InstallState.cs" />
   </ItemGroup>
 
   <Target Name="PublishOnBuild" AfterTargets="Build" DependsOnTargets="Publish" />