te

Unused/Decal.Adapter/RuntimePolicyHelper.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Decal.Adapter;
+
+internal static class RuntimePolicyHelper
+{
+	[ComImport]
+	[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+	[Guid("BD39D1D2-BA2F-486A-89B0-B4B0CB466891")]
+	private interface ICLRRuntimeInfo
+	{
+		void xGetVersionString();
+
+		void xGetRuntimeDirectory();
+
+		void xIsLoaded();
+
+		void xIsLoadable();
+
+		void xLoadErrorString();
+
+		void xLoadLibrary();
+
+		void xGetProcAddress();
+
+		void xGetInterface();
+
+		void xSetDefaultStartupFlags();
+
+		void xGetDefaultStartupFlags();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void BindAsLegacyV2Runtime();
+	}
+
+	public static bool LegacyV2RuntimeEnabledSuccessfully { get; private set; }
+
+	static RuntimePolicyHelper()
+	{
+		ICLRRuntimeInfo iCLRRuntimeInfo = (ICLRRuntimeInfo)RuntimeEnvironment.GetRuntimeInterfaceAsObject(Guid.Empty, typeof(ICLRRuntimeInfo).GUID);
+		try
+		{
+			iCLRRuntimeInfo.BindAsLegacyV2Runtime();
+			LegacyV2RuntimeEnabledSuccessfully = true;
+		}
+		catch (COMException)
+		{
+			LegacyV2RuntimeEnabledSuccessfully = false;
+		}
+	}
+}