From 7b0dca42ce524da4075563a055a9b4be967350c1 Mon Sep 17 00:00:00 2001
From: Lewis Jordan <lewis.jordan@hotmail.co.uk>
Date: Thu, 7 Sep 2023 16:00:46 +0100
Subject: [PATCH] Added MonoPInvokeCallback to methods that will be called from
 unmanaged code

---
 src/Generator/Generators/CSharp/CSharpSources.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Generator/Generators/CSharp/CSharpSources.cs b/src/Generator/Generators/CSharp/CSharpSources.cs
index 3ee9104b1..cdd5fc210 100644
--- a/src/Generator/Generators/CSharp/CSharpSources.cs
+++ b/src/Generator/Generators/CSharp/CSharpSources.cs
@@ -2097,7 +2097,9 @@ private void GenerateVTableMethodDelegates(Class @class, Method method)
 
             WriteLine($"private static {method.FunctionType} {vTableMethodDelegateName}Instance;");
             NewLine();
-
+            WriteLine("#if ENABLE_IL2CPP");
+            WriteLine($"[AOT.MonoPInvokeCallback(typeof({method.FunctionType}))]");
+            WriteLine("#endif");
             using (WriteBlock($"private static {retType} {vTableMethodDelegateName}Hook({string.Join(", ", @params)})"))
             {
                 WriteLine($@"var {Helpers.TargetIdentifier} = {@class.Visit(TypePrinter)}.__GetInstance({Helpers.InstanceField});");