EmbeddedResource items does not nest generated sources

The "EmbeddedResourceUseDependentUponConvention" does not automatically nest the generated sources to its parent files.

Author: Nirmal4G

Microsoft.Toolkit.Uwp.UI.Controls.DataGrid/Microsoft.Toolkit.Uwp.UI.Controls.DataGrid.csproj

@@ -13,19 +13,16 @@
     <PackageTags>Controls;XAML;UI;Data;Grid;DataGrid</PackageTags>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Compile Update="Properties\Resources.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Resources.resx</DependentUpon>
-    </Compile>
-  </ItemGroup>
-
   <ItemGroup>
     <EmbeddedResource Update="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
   </ItemGroup>
 
   <Import Project="$(BuildToolsDirectory)Windows.Toolkit.UWP.Controls.targets" />

build/Windows.Toolkit.VisualStudio.Design.targets

@@ -5,6 +5,22 @@
     <OutputPath>$(ParentProjectOutputPath)Design\</OutputPath>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(EnableDefaultEmbeddedResourceItems)' == 'True'">
+    <EmbeddedResourceUseDependentUponConvention>True</EmbeddedResourceUseDependentUponConvention>
+  </PropertyGroup>
+
+  <ItemGroup Condition="'$(EnableDefaultEmbeddedResourceItems)' == 'True' AND '$(EmbeddedResourceUseDependentUponConvention)' == 'True'">
+    <EmbeddedResource Update="**\*.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
   <ItemGroup Condition="'$(SolutionDir)' == '' OR '$(SolutionDir)' == '*Undefined*'">
     <ProjectReference Include="..\$(ParentProjectName)\$(ParentProjectName)$(MSBuildProjectExtension)">
       <Private>False</Private>