Modified the whole solution to use Any CPU, and changed the installer to use the /register /unregister commands

AstroMath.UnitTests/AstroMath.UnitTests.csproj

@@ -39,7 +39,7 @@
     <OutputPath>bin\x86\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>

Meade.net.Focuser.UnitTests/Meade.net.Focuser.UnitTests.csproj

@@ -24,7 +24,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>

Meade.net.Setup/AscomFocuserDriver.wxs

@@ -18,41 +18,6 @@
               Vital="yes"
               Assembly=".net"
               AssemblyApplication="filFocuserDriverAssembly" />
-        <!-- Registry entries suitable for a LocalServer served class -->
-        <!-- HKCR\CLSID\{driver-guid} -->
-        <RegistryKey Root="HKCR" Key="CLSID">
-          <RegistryKey Key="$(var.FocuserDriverClassId)">
-            <RegistryValue Value="$(var.FocuserDriverProgId)" Type="string"/>
-            <RegistryValue Name="AppId" Value="$(var.LocalServerAppId)" Type="string"/>
-            <RegistryKey Key="Implemented Categories">
-              <RegistryKey Key="{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29}"
-                           ForceCreateOnInstall="yes"
-                           ForceDeleteOnUninstall="yes"/>
-            </RegistryKey>
-            <RegistryKey Key="ProgId">
-              <RegistryValue Value="$(var.FocuserDriverProgId)" Type="string"/>
-            </RegistryKey>
-            <RegistryKey Key="Programmable"
-                         ForceCreateOnInstall="yes"
-                         ForceDeleteOnUninstall="yes" />
-            <RegistryKey Key="LocalServer32">
-              <RegistryValue Value="[#filLocalServerAssembly]" Type="string"/>
-            </RegistryKey>
-          </RegistryKey>
-        </RegistryKey>
-
-        <!-- HKCR\{driver-prog-id} -->
-        <RegistryKey Root="HKCR" Key="$(var.FocuserDriverProgId)">
-          <RegistryValue Value="$(var.FocuserDriverDescription)" Type="string"/>
-          <RegistryKey Key="CLSID">
-            <RegistryValue Value="$(var.FocuserDriverClassId)" Type="string" />
-          </RegistryKey>
-        </RegistryKey>
-
-        <!--Register the driver with the ASCOM Profile-->
-        <RegistryKey Root="HKLM" Key="SOFTWARE\ASCOM\Focuser Drivers\$(var.FocuserDriverProgId)">
-          <RegistryValue Value="$(var.FocuserDriverDescription)" Type="string"/>
-        </RegistryKey>
       </Component>
     </ComponentGroup>
   </Fragment>

Meade.net.Setup/AscomLocalServer.wxs

@@ -12,21 +12,31 @@
               Assembly=".net"
               AssemblyApplication="filLocalServerAssembly" />
       </Component>
-      <Component Id="cmpLocalServerRegistry" Win64="no">
-        <!-- LocalServer32 COM Registration -->
-        <RegistryKey Root="HKCR" Key="AppID" >
-          <!-- HKCR\AppID\{my-app-id} -->
-          <RegistryKey Key="$(var.LocalServerAppId)">
-            <RegistryValue Value="$(var.InstallName)" Type="string"/>
-            <RegistryValue Name="AppID" Value="$(var.LocalServerAppId)" Type="string"/>
-            <RegistryValue Name="AuthenticationLevel" Value="1" Type="integer"/>
-          </RegistryKey>
-          <!-- HKCR\AppID\{exe-name} -->
-          <RegistryKey Key="$(var.Meade.net.TargetFileName)">
-            <RegistryValue Name="AppID" Value="$(var.LocalServerAppId)" Type="string"/>
-          </RegistryKey>
-        </RegistryKey>
-      </Component>
     </ComponentGroup>
+
+    <CustomAction Id="RegisterEXE"
+                  Directory="INSTALLFOLDER"
+                  ExeCommand="&quot;[#filLocalServerAssembly]&quot; /register"
+                  Execute="deferred"
+                  Return="ignore"
+                  Impersonate="no"
+    />
+
+    <CustomAction Id="UnRegisterEXE"
+                  Directory="INSTALLFOLDER"
+                  ExeCommand="&quot;[#filLocalServerAssembly]&quot; /unregister"
+                  Execute="deferred"
+                  Return="ignore"
+                  Impersonate="no"
+    />
+
+    <InstallExecuteSequence>
+      <Custom Action='RegisterEXE' Before="InstallFinalize">
+        <![CDATA[(NOT Installed)]]>
+      </Custom>
+      <Custom Action="UnRegisterEXE" After='RegisterEXE'>
+        <![CDATA[(REMOVE ~= "ALL")]]>
+      </Custom>
+    </InstallExecuteSequence>
   </Fragment>
 </Wix>

Meade.net.Setup/AscomTelescopeDriver.wxs

@@ -18,41 +18,6 @@
               Vital="yes"
               Assembly=".net"
               AssemblyApplication="filTelescopeDriverAssembly" />
-        <!-- Registry entries suitable for a LocalServer served class -->
-        <!-- HKCR\CLSID\{driver-guid} -->
-        <RegistryKey Root="HKCR" Key="CLSID">
-          <RegistryKey Key="$(var.TelescopeDriverClassId)">
-            <RegistryValue Value="$(var.TelescopeDriverProgId)" Type="string"/>
-            <RegistryValue Name="AppId" Value="$(var.LocalServerAppId)" Type="string"/>
-            <RegistryKey Key="Implemented Categories">
-              <RegistryKey Key="{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29}"
-                           ForceCreateOnInstall="yes"
-                           ForceDeleteOnUninstall="yes"/>
-            </RegistryKey>
-            <RegistryKey Key="ProgId">
-              <RegistryValue Value="$(var.TelescopeDriverProgId)" Type="string"/>
-            </RegistryKey>
-            <RegistryKey Key="Programmable"
-                         ForceCreateOnInstall="yes"
-                         ForceDeleteOnUninstall="yes" />
-            <RegistryKey Key="LocalServer32">
-              <RegistryValue Value="[#filLocalServerAssembly]" Type="string"/>
-            </RegistryKey>
-          </RegistryKey>
-        </RegistryKey>
-
-        <!-- HKCR\{driver-prog-id} -->
-        <RegistryKey Root="HKCR" Key="$(var.TelescopeDriverProgId)">
-          <RegistryValue Value="$(var.TelescopeDriverDescription)" Type="string"/>
-          <RegistryKey Key="CLSID">
-            <RegistryValue Value="$(var.TelescopeDriverClassId)" Type="string" />
-          </RegistryKey>
-        </RegistryKey>
-
-        <!--Register the driver with the ASCOM Profile-->
-        <RegistryKey Root="HKLM" Key="SOFTWARE\ASCOM\Telescope Drivers\$(var.TelescopeDriverProgId)">
-          <RegistryValue Value="$(var.TelescopeDriverDescription)" Type="string"/>
-        </RegistryKey>
       </Component>
     </ComponentGroup>
   </Fragment>

Meade.net.Telescope.UnitTests/Meade.net.Telescope.UnitTests.csproj

@@ -26,7 +26,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>

Meade.net.Telescope/Meade.net.Telescope.csproj

@@ -65,7 +65,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <OutputPath>..\bin\Debug\</OutputPath>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">

Meade.net.focuser/Meade.net.focuser.csproj

@@ -66,7 +66,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <RegisterForComInterop>true</RegisterForComInterop>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>

Meade.net/Meade.net.csproj

@@ -68,7 +68,7 @@
     <OutputPath>..\bin\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>

TelescopeTestConsole/TelescopeTestConsole.csproj

@@ -16,7 +16,7 @@
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
-    <PlatformTarget>x86</PlatformTarget>
+    <PlatformTarget>AnyCPU</PlatformTarget>
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>