fix: Don't reload projects when moving to all TFMs but wasm

src/Uno.UI.RemoteControl.VS/EntryPoint.ActiveProfileSync.cs

@@ -181,8 +181,21 @@ private async Task TryReloadTargetAsync(string? previousFramework, string newFra
 					(
 						previousFramework is not null
 						&& GetTargetFrameworkIdentifier(previousFramework) is { } previousTargetFrameworkIdentifier
-						&& (previousTargetFrameworkIdentifier is WasmTargetFrameworkIdentifier or DesktopTargetFrameworkIdentifier or Windows10TargetFrameworkIdentifier
-							|| targetFrameworkIdentifier is WasmTargetFrameworkIdentifier or DesktopTargetFrameworkIdentifier or Windows10TargetFrameworkIdentifier)
+						&& (
+							(
+								// 17.12 or later properly supports having their TFM anywhere in the
+								// TFMs lists, except Wasm.
+								GetVisualStudioReleaseVersion() >= new Version(17, 12)
+								&& (
+									previousTargetFrameworkIdentifier is WasmTargetFrameworkIdentifier
+									|| targetFrameworkIdentifier is WasmTargetFrameworkIdentifier))
+
+							|| (
+								// 17.11 or earlier needs reloading most TFMs
+								GetVisualStudioReleaseVersion() < new Version(17, 12)
+								&& (previousTargetFrameworkIdentifier is WasmTargetFrameworkIdentifier or DesktopTargetFrameworkIdentifier or Windows10TargetFrameworkIdentifier
+									|| targetFrameworkIdentifier is WasmTargetFrameworkIdentifier or DesktopTargetFrameworkIdentifier or Windows10TargetFrameworkIdentifier))
+						)
 					)
 				)
 			)

src/Uno.UI.RemoteControl.VS/EntryPoint.cs

@@ -10,11 +10,13 @@
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 using EnvDTE;
 using EnvDTE80;
 using Microsoft.Build.Evaluation;
 using Microsoft.Internal.VisualStudio.Shell;
 using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
 using Uno.UI.RemoteControl.Messaging.IdeChannel;
 using Uno.UI.RemoteControl.VS.DebuggerHelper;
 using Uno.UI.RemoteControl.VS.Helpers;
@@ -47,6 +49,7 @@ public partial class EntryPoint : IDisposable
 	private int _msBuildLogLevel;
 	private System.Diagnostics.Process? _process;
 	private SemaphoreSlim _processGate = new(1);
+	private IServiceProvider? _visualStudioServiceProvider;
 
 	private int _remoteControlServerPort;
 	private string? _remoteControlConfigCookie;
@@ -529,6 +532,44 @@ public void Dispose()
 		}
 	}
 
+	protected IServiceProvider VisualStudioServiceProvider
+	{
+		get
+		{
+			ThreadHelper.ThrowIfNotOnUIThread();
+
+			if (_visualStudioServiceProvider == null)
+			{
+				_visualStudioServiceProvider = _dte as IServiceProvider;
+				if (_visualStudioServiceProvider == null)
+				{
+					var serviceProvider = (Microsoft.VisualStudio.OLE.Interop.IServiceProvider?)((_dte is Microsoft.VisualStudio.OLE.Interop.IServiceProvider) ? _dte : null);
+					_visualStudioServiceProvider = (IServiceProvider)new Microsoft.VisualStudio.Shell.ServiceProvider(serviceProvider);
+				}
+			}
+			return _visualStudioServiceProvider;
+		}
+	}
+
+	private Version? GetVisualStudioReleaseVersion()
+	{
+		ThreadHelper.ThrowIfNotOnUIThread();
+
+		if (VisualStudioServiceProvider?.GetService(typeof(SVsShell)) is IVsShell service)
+		{
+			if (service.GetProperty(-9068, out var releaseVersion) != 0)
+			{
+				return null;
+			}
+			if (releaseVersion is string releaseVersionAsText && Version.TryParse(releaseVersionAsText.Split(' ')[0], out var result))
+			{
+				return result;
+			}
+		}
+
+		return null;
+	}
+
 	private class Logger(EntryPoint entryPoint) : ILogger
 	{
 		public void Debug(string message) => entryPoint._debugAction?.Invoke(message);