Use GuidRVAGen for Guid*

Author: 0x5bfa

src/Files.App.CsWin32/Files.App.CsWin32.csproj

@@ -6,6 +6,7 @@
         <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
         <Nullable>enable</Nullable>
         <IsTrimmable>true</IsTrimmable>
+        <LangVersion>13.0</LangVersion>
         <Configurations>Debug;Release;Stable;Preview;Store</Configurations>
         <Platforms>x86;x64;arm64</Platforms>
         <RuntimeIdentifiers>win-x86;win-x64;win-arm64</RuntimeIdentifiers>
@@ -16,6 +17,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.106" PrivateAssets="all" />
+        <PackageReference Include="Dongle.GuidRVAGen" Version="1.0.5" />
     </ItemGroup>
 
 </Project>

src/Files.App.CsWin32/Guids.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2024 Files Community
+// Licensed under the MIT License. See the LICENSE.
+
+using System.Runtime.InteropServices;
+using Windows.Win32.Foundation;
+
+namespace Windows.Win32
+{
+	public static unsafe partial class PInvoke
+	{
+		[GuidRVAGen.Guid("B92B56A9-8B55-4E14-9A89-0199BBB6F93B")]
+		public static partial Guid* IID_DesktopWallpaper { get; }
+
+		[GuidRVAGen.Guid("B92B56A9-8B55-4E14-9A89-0199BBB6F93B")]
+		public static partial Guid* CLSID_DesktopWallpaper { get; }
+	}
+}