1 files changed, 84 insertions, 0 deletions
diff --git a/src/VBox/Installer/win/MsiHack/MsiHackExtension.cs b/src/VBox/Installer/win/MsiHack/MsiHackExtension.cs
new file mode 100644
index 00000000..8c2ef3a0
--- /dev/null
+++ b/src/VBox/Installer/win/MsiHack/MsiHackExtension.cs
@@ -0,0 +1,84 @@
+/* $Id: MsiHackExtension.cs $ */
+/** @file
+ * MsiHackExtension - Wix Extension that loads MsiHack.dll
+ */
+
+/*
+ * Copyright (C) 2016-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+using Microsoft.Tools.WindowsInstallerXml;
+using System;                           /* For Console. */
+using System.Reflection;                /* For Assembly*(). */
+using System.Runtime.InteropServices;   /* For DllImport. */
+using System.IO;                        /* For Path. */
+
+
+
+[assembly: AssemblyTitle("org.virtualbox.wix.msi.speed.hack")]
+[assembly: AssemblyDescription("Speeding up MSI.DLL")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Oracle Corporation")]
+[assembly: AssemblyProduct("org.virtualbox.wix.msi.speed.hack")]
+[assembly: AssemblyCopyright("Copyright (C) 2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: AssemblyDefaultWixExtension(typeof(MsiHackExtension))]
+
+
+static class NativeMethods
+{
+    [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+    public static extern IntPtr LoadLibrary(string strPath);
+}
+
+
+public class MsiHackExtension : WixExtension
+{
+    public MsiHackExtension()
+    {
+        /* Figure out where we are. */
+        string strCodeBase = Assembly.GetExecutingAssembly().CodeBase;
+        //Console.WriteLine("MsiHackExtension: strCodeBase={0}", strCodeBase);
+
+        UriBuilder uri = new UriBuilder(strCodeBase);
+        string strPath = Uri.UnescapeDataString(uri.Path);
+        //Console.WriteLine("MsiHackExtension: strPath={0}", strPath);
+
+        string strDir = Path.GetDirectoryName(strPath);
+        //Console.WriteLine("MsiHackExtension: strDir={0}", strDir);
+
+        string strHackDll = strDir + "\\MsiHack.dll";
+        //Console.WriteLine("strHackDll={0}", strHackDll);
+
+        try
+        {
+            IntPtr hHackDll = NativeMethods.LoadLibrary(strHackDll);
+            Console.WriteLine("MsiHackExtension: Loaded {0} at {1}!", strHackDll, hHackDll.ToString("X"));
+        }
+        catch (Exception Xcpt)
+        {
+            Console.WriteLine("MsiHackExtension: Exception loading {0}: {1}", strHackDll, Xcpt);
+        }
+    }
+}
+