Update CsWinRT references

Author: Sergio0694

src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.WindowsSdk.targets

@@ -27,9 +27,9 @@
           - The recommended Windows SDK package for UWP projects using the .NET 9 SDK (with UWP XAML projections).
           - The recommended Windows SDK package for WindowsAppSDK projects (ie. without UWP XAML projections). 
       -->
-      <_MvvmToolkitWindowsSdkPackageMinBuild>38</_MvvmToolkitWindowsSdkPackageMinBuild>
-      <_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>54</_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>
-      <_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>53</_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>
+      <_MvvmToolkitWindowsSdkPackageMinBuild>56</_MvvmToolkitWindowsSdkPackageMinBuild>
+      <_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>57</_MvvmToolkitWindowsSdkPackageRecommendedUwpBuild>
+      <_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>56</_MvvmToolkitWindowsSdkPackageRecommendedWindowsAppSDKBuild>
 
       <!-- Switch on the recommended one based on configuration -->
       <_MvvmToolkitWindowsSdkPackageRecommendedBuild>$(_MvvmToolkitWindowsSdkPackageMinBuild)</_MvvmToolkitWindowsSdkPackageRecommendedBuild>
@@ -82,7 +82,7 @@
       Condition="'@(_MvvmToolkitCompatibleWindowsSdkPackages)' == ''"
       Code="MVVMTKCFG0003"
       HelpLink="https://aka.ms/mvvmtoolkit/errors/mvvmtkcfg0003"
-      Text="This version of the MVVM Toolkit requires 'Microsoft.Windows.SDK.NET.Ref' version '$(_MvvmToolkitWindowsSdkPackageRequired)' or later. Please update to .NET SDK 8.0.109, 8.0.305 or 8.0.402 (or later). Alternatively, use a temporary 'Microsoft.Windows.SDK.NET.Ref' reference, which can be done by setting the 'WindowsSdkPackageVersion' property in your .csproj file. For your project configuration, it is recommended to set the package version to '$(_MvvmToolkitWindowsSdkPackageRecommended)'." />
+      Text="This version of the MVVM Toolkit requires 'Microsoft.Windows.SDK.NET.Ref' version '$(_MvvmToolkitWindowsSdkPackageRequired)' or later. Please update the .NET SDK in use to 8.0.405 (or later) or 9.0.102 (or later). Alternatively, use a temporary 'Microsoft.Windows.SDK.NET.Ref' reference, which can be done by setting the 'WindowsSdkPackageVersion' property in your .csproj file. For your project configuration, it is recommended to set the package version to '$(_MvvmToolkitWindowsSdkPackageRecommended)'." />
   </Target>
 
 </Project>

src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj

@@ -9,7 +9,7 @@
     because we need the source generators in CsWinRT to generate the supporting interop code for AOT).
   -->
   <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0-windows10.0.17763.0'))">
-    <WindowsSdkPackageVersion>10.0.17763.53</WindowsSdkPackageVersion>
+    <WindowsSdkPackageVersion>10.0.17763.56</WindowsSdkPackageVersion>
 
     <!--
       We're only referencing CsWinRT for the source generators, we don't need to read any WinRT metadata.
@@ -61,7 +61,7 @@
 
   <!-- Reference CsWinRT when targeting Windows, to get the latest source generators -->
   <ItemGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0-windows10.0.17763.0'))">
-    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.1.6" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.2.0" PrivateAssets="all" />
   </ItemGroup>
 
   <!-- Reference the various multi-targeted versions of the source generator project (one per Roslyn version), and the code fixer -->

src/CommunityToolkit.Mvvm/Messaging/IMessengerExtensions.Observables.cs

@@ -3,14 +3,9 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
-
-// This file has two types which implement interfaces that can be projected to WInRT, ie.
-// 'Observable<TMessage>.Recipient' and 'Observable<TMessage, TToken>.Recipient', which
-// implement 'IDisposable' (which is projected to 'IClosable'). These types are not meant
-// to be used in interop scenarios (including in eg. bindings), as they're only meant to
-// be used by code behind interacting with System.Reactive APIs. As such, we skip marking
-// them partial, as we don't need CCW vtables to be generated for them.
-#pragma warning disable CsWinRT1028
+#if NET8_0_OR_GREATER && WINDOWS
+using WinRT;
+#endif
 
 namespace CommunityToolkit.Mvvm.Messaging;
 
@@ -81,6 +76,9 @@ public IDisposable Subscribe(IObserver<TMessage> observer)
         /// <summary>
         /// An <see cref="IRecipient{TMessage}"/> implementation for <see cref="Observable{TMessage}"/>.
         /// </summary>
+#if NET8_0_OR_GREATER && WINDOWS
+        [WinRTExposedType(typeof(WinRTManagedOnlyTypeDetails))]
+#endif
         private sealed class Recipient : IRecipient<TMessage>, IDisposable
         {
             /// <summary>
@@ -159,6 +157,9 @@ public IDisposable Subscribe(IObserver<TMessage> observer)
         /// <summary>
         /// An <see cref="IRecipient{TMessage}"/> implementation for <see cref="Observable{TMessage, TToken}"/>.
         /// </summary>
+#if NET8_0_OR_GREATER && WINDOWS
+        [WinRTExposedType(typeof(WinRTManagedOnlyTypeDetails))]
+#endif
         private sealed class Recipient : IRecipient<TMessage>, IDisposable
         {
             /// <summary>