Calc: Step 5: Add a reference to the DrawingIslandCsProjection project

Author: JesseCol

Samples/Islands/DrawingIsland/CalculatorDemo/CalculatorDemo.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <!-- WinAppSDK requires at least the 17763 build of windows, so we need to set that here.
          You can set this in the Visual Studio project properties UI too. -->
-    <TargetFramework>net9.0-windows10.0.17763.0</TargetFramework>
+    <TargetFramework>net9.0-windows10.0.22621.0</TargetFramework>
     <UseWpf>true</UseWpf>
     <EnableDefaultItems>false</EnableDefaultItems>
     <Platforms>x64;ARM64;x86</Platforms>
@@ -127,8 +127,12 @@
     <None Include="App.config" />
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.0.7" />
     <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240428000" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\DrawingIslandCsProjection\DrawingIslandCsProjection.csproj" />
+  </ItemGroup>
   <ItemGroup>
     <Resource Include="appicon.ico" />
   </ItemGroup>