Custom IKVM.NET installer.

IKVM.wixproj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
    <ProductVersion>3.6</ProductVersion>
    <ProjectGuid>{d8410844-d2d6-4265-b82e-d3cfc4887a64}</ProjectGuid>
    <SchemaVersion>2.0</SchemaVersion>
    <OutputName>IKVM</OutputName>
    <OutputType>Package</OutputType>
    <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' AND '$(MSBuildExtensionsPath32)' != '' ">$(MSBuildExtensionsPath32)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
    <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' ">$(MSBuildExtensionsPath)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
    <OutputPath>bin\$(Platform)\$(Configuration)\</OutputPath>
    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
    <BaseInputPaths>src\</BaseInputPaths>
    <DefineConstants>Debug</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
    <OutputPath>bin\$(Platform)\$(Configuration)\</OutputPath>
    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
    <BaseInputPaths>src\</BaseInputPaths>
    <SuppressBuildInfo>true</SuppressBuildInfo>
    <SignOutput>true</SignOutput>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
    <OutputPath>bin\$(Platform)\$(Configuration)\</OutputPath>
    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
    <BaseInputPaths>src\</BaseInputPaths>
    <DefineConstants>Debug</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
    <OutputPath>bin\$(Platform)\$(Configuration)\</OutputPath>
    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
    <BaseInputPaths>src\</BaseInputPaths>
    <SuppressBuildInfo>true</SuppressBuildInfo>
    <SignOutput>true</SignOutput>
  </PropertyGroup>
  <ItemGroup>
    <WixExtension Include="WixNetFxExtension">
      <HintPath>$(WixExtDir)\WixNetFxExtension.dll</HintPath>
      <Name>WixNetFxExtension</Name>
    </WixExtension>
  </ItemGroup>
  <ItemGroup>
    <Compile Include="IKVM.wxs" />
  </ItemGroup>
  <Import Project="$(WixTargetsPath)" />
  <Target Name="SignMsi" Condition=" '$(Configuration)' == 'Release' ">
    <Exec Command="signtool.exe sign /t http://timestamp.comodoca.com &quot;$(TargetPath)&quot;" />
  </Target>
</Project>

IKVM.wxs

<?xml version="1.0" encoding="Windows-1252"?>
<!--
  Copyright (C) 2012-2018, Manuel Meitinger
  
  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, either version 2 of the License, or
  (at your option) any later version.
  
  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 <http://www.gnu.org/licenses/>.
-->
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi" xmlns:netfx="http://schemas.microsoft.com/wix/NetFxExtension">
  <Product Id="*" Name="IKVM.NET" Language="1033" Version="!(bind.fileVersion.IKVM.Runtime.dll)" Manufacturer="Jeroen Frijters" UpgradeCode="1181BF948301401EABC8C8D45C2A6309" Codepage="1252">
    <Package Id="*" InstallerVersion="200" Compressed="yes" Platform="$(var.Platform)" InstallPrivileges="elevated" InstallScope="perMachine" />
    <Media Id="1" Cabinet="IKVM.cab" EmbedCab="yes" CompressionLevel="high" />
    <Property Id="ARPNOMODIFY" Value="1" />
    <Property Id="ARPPRODUCTICON" Value="IKVM.ico" />
    <PropertyRef Id="NETFRAMEWORK35" />
    <PropertyRef Id="NETFRAMEWORK45" />
    <Condition Message="IKVM.NET requires .NET Framework 3.5, .NET Framework 4.5 or newer. Please install the latest .NET Framework then run this installer again."><![CDATA[Installed OR NETFRAMEWORK35 OR NETFRAMEWORK45]]></Condition>
    <?if $(var.Platform) != x64?>
    <Condition Message="This installer is not supported on your computer. Please use the 64-bit installer to complete the [ProductName] installation."><![CDATA[NOT VersionNT64]]></Condition>
    <?endif?>
    <MajorUpgrade AllowSameVersionUpgrades="yes" DowngradeErrorMessage="A newer version of [ProductName] is already installed." Schedule="afterInstallFinalize" />
    <Icon Id="IKVM.ico" SourceFile="IKVM.ico" />
    <Directory Id="TARGETDIR" Name="SourceDir">
      <Directory Id="TempFolder" />
      <Directory Id="WindowsFolder" />
      <Directory Id="SystemFolder" />
      <?if $(var.Platform) = x64?>
      <Directory Id="System64Folder" />
      <?endif?>
    </Directory>
    <Feature Id="IKVM" AllowAdvertise="no">
      <?foreach Assembly in AWT.WinForms;OpenJDK.Beans;OpenJDK.Charsets;OpenJDK.Cldrdata;OpenJDK.Corba;OpenJDK.Core;OpenJDK.Jdbc;OpenJDK.Localedata;OpenJDK.Management;OpenJDK.Media;OpenJDK.Misc;OpenJDK.Naming;OpenJDK.Nashorn;OpenJDK.Remoting;OpenJDK.Security;OpenJDK.SwingAWT;OpenJDK.Text;OpenJDK.Tools;OpenJDK.Util;OpenJDK.XML.API;OpenJDK.XML.Bind;OpenJDK.XML.Crypto;OpenJDK.XML.Parse;OpenJDK.XML.Transform;OpenJDK.XML.WebServices;OpenJDK.XML.XPath;Reflection;Runtime;Runtime.JNI?>
      <Component Directory="TempFolder">
        <File KeyPath="yes" Assembly=".net" Source="bin\IKVM.$(var.Assembly).dll">
          <netfx:NativeImage Id="$(var.Assembly)" Platform="all" Dependencies="no" Priority="0" />
        </File>
      </Component>
      <?endforeach?>
      <Component Directory="SystemFolder" Win64="no">
        <File KeyPath="yes" Source="bin\ikvm-native-win32-x86.dll" />
      </Component>
      <Component Directory="SystemFolder" Win64="no">
        <File Id="JVM.DLL" KeyPath="yes" Source="bin-x86\JVM.DLL" />
      </Component>
      <?if $(var.Platform) = x64?>
      <Component Directory="System64Folder" Win64="yes">
        <File KeyPath="yes" Source="bin\ikvm-native-win32-x64.dll" />
      </Component>
      <Component Directory="System64Folder" Win64="yes">
        <File Id="JVM.DLL.x64" KeyPath="yes" Source="bin-x64\JVM.DLL" />
      </Component>
      <?endif?>
    </Feature>
  </Product>
</Wix>