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Package ijwhost.dll as native asset for self-contained publish #11664

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Package ijwhost.dll as native asset for self-contained publish #11664

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dac9306
Package ijwhost.dll as native asset for self-contained publish
mmanolova-msft May 26, 2026
9b4e90b
Move ijwhost.dll packaging logic to Packaging.targets
mmanolova-msft Jun 1, 2026
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22 changes: 22 additions & 0 deletions eng/WpfArcadeSdk/tools/Packaging.targets
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,21 @@ $(PreparePackageAssetsDependsOn):
<DestinationSubFolder Condition="'$(Platform)'=='arm64'">runtimes\win-arm64\native\</DestinationSubFolder>
</PropertyGroup>

<!--
For managed C++/CLI projects (vcxproj with UseDestinationLibFolder), ijwhost.dll is automatically
produced in the output directory but must be packaged as a native assembly under runtimes\<rid>\native\
rather than alongside managed assemblies under lib\<tfm>\.
-->
<PropertyGroup Condition="'$(MSBuildProjectExtension)'=='.vcxproj' and '$(UseDestinationLibFolder)' != ''">
<NativeRuntimeSubFolder Condition="'$(Platform)'=='AnyCPU' or '$(Platform)'=='x86' or '$(Platform)'=='Win32'">runtimes\win-x86\native\</NativeRuntimeSubFolder>
<NativeRuntimeSubFolder Condition="'$(Platform)'=='x64'">runtimes\win-x64\native\</NativeRuntimeSubFolder>
<NativeRuntimeSubFolder Condition="'$(Platform)'=='arm64'">runtimes\win-arm64\native\</NativeRuntimeSubFolder>
</PropertyGroup>

<ItemGroup Condition="'$(MSBuildProjectExtension)'=='.vcxproj' and '$(UseDestinationLibFolder)' != ''">
<FileNamesExcludedFromPackaging Include="ijwhost.dll" />
</ItemGroup>

<!--
Instead of showing an error when $(TargetFramework) or $(RuntimeIdentifier) cannot be identified
we simply do no further work
Expand Down Expand Up @@ -118,6 +133,13 @@ $(PreparePackageAssetsDependsOn):
<Output ItemName="PackageAsset" TaskParameter="Include"/>
</CreateItem>

<!-- Route ijwhost.dll to runtimes\<rid>\native\ for managed C++/CLI projects -->
<CreateItem Include="$(OutDir)ijwhost.dll"
AdditionalMetadata="RelativePath=$(ArtifactsPackagingDir)$(NormalizedPackageName)\$(NativeRuntimeSubFolder)"
Condition="'$(NativeRuntimeSubFolder)'!='' and '$(DestinationSubFolder)'!='' and '$(IsPackagingProject)'!='true' and Exists('$(OutDir)ijwhost.dll')">
<Output ItemName="PackageAsset" TaskParameter="Include"/>
</CreateItem>

<!--
Normally, .lib files are not included in packaging - projects have to opt in by setting
<PropertyGroup>
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2 changes: 1 addition & 1 deletion src/Microsoft.DotNet.Wpf/src/DirectWriteForwarder/DirectWriteForwarder.vcxproj
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Expand Up @@ -92,7 +92,7 @@
<ItemGroup>
<AdditionalPackageReference Include="$(SystemIOPackagingPackage)" Version="$(SystemIOPackagingVersion)" />
</ItemGroup>
<!-- ijwhost.dll is required for mixed-mode C++/CLI assemblies -->
<!-- ijwhost.dll packaging is handled centrally in eng/WpfArcadeSdk/tools/Packaging.targets -->
<Target Name="AddWindowsBaseDefine" AfterTargets="ResolveProjectReferences">
<Error Text="Unexpected result from _WindowsBaseReference '@(_WindowsBaseReference->Count())'" Condition="'@(_WindowsBaseReference->Count())' != '1'" />
<PropertyGroup>
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2 changes: 1 addition & 1 deletion src/Microsoft.DotNet.Wpf/src/System.Printing/System.Printing.vcxproj
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Expand Up @@ -161,7 +161,7 @@
<ItemGroup>
<AdditionalPackageReference Include="$(SystemIOPackagingPackage)" Version="$(SystemIOPackagingVersion)" />
</ItemGroup>
<!-- ijwhost.dll is required for mixed-mode C++/CLI assemblies -->
<!-- ijwhost.dll packaging is handled centrally in eng/WpfArcadeSdk/tools/Packaging.targets -->
<Target Name="AddDefineReferences" BeforeTargets="ClCompile" AfterTargets="ResolveReferences" Returns="@(CLCompile)">
<PropertyGroup>
<_defineReferences>@(_defineReference->'%(Define)=&lt;%(Identity)&gt;')</_defineReferences>
Expand Down