Point WinUI3 projects at shared Idls

Author: krschau

source/uwp/winui3/AdaptiveCardsObjectModel/AdaptiveCardsObjectModel.vcxproj

@@ -130,7 +130,8 @@
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <Midl Include="idl\AdaptiveCards.ObjectModel.WinUI3.idl">
+    <Midl Include="..\..\SharedObjectModel\idl\AdaptiveCards.ObjectModel.Shared.idl">
+      <PreprocessorDefinitions>%(PreprocessorDefinitions);USE_WINUI3</PreprocessorDefinitions>
     </Midl>
   </ItemGroup>
   <ItemGroup>

source/uwp/winui3/AdaptiveCardsObjectModel/AdaptiveCardsObjectModel.vcxproj.filters

@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Midl Include="idl\AdaptiveCards.ObjectModel.WinUI3.idl" />
-  </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>

source/uwp/winui3/Renderer/AdaptiveCardRenderer.vcxproj

@@ -136,8 +136,9 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Midl Include="idl\AdaptiveCards.Rendering.WinUI3.idl">
-      <AdditionalIncludeDirectories>..\AdaptiveCardsObjectModel\idl;</AdditionalIncludeDirectories>
+    <Midl Include="..\..\SharedRenderer\idl\AdaptiveCards.Rendering.Shared.idl">
+      <AdditionalIncludeDirectories>..\..\SharedObjectModel\idl;</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions);USE_WINUI3</PreprocessorDefinitions>
     </Midl>
   </ItemGroup>
   <ItemGroup>

source/uwp/winui3/Renderer/AdaptiveCardRenderer.vcxproj.filters

@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Midl Include="idl\AdaptiveCards.Rendering.WinUI3.idl" />
-  </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>