From 8898c20ad1c7809cfead0df0374b4dd142c84065 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Sun, 25 Feb 2024 23:40:14 +0100
Subject: [PATCH] Fix crash when using generic interface in C#

#1983
---
 Source/Engine/Engine/NativeInterop.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/Engine/Engine/NativeInterop.cs b/Source/Engine/Engine/NativeInterop.cs
index 2c606465c..eab2ba942 100644
--- a/Source/Engine/Engine/NativeInterop.cs
+++ b/Source/Engine/Engine/NativeInterop.cs
@@ -1679,6 +1679,8 @@ namespace FlaxEngine.Interop
         /// </summary>
         internal static ManagedHandle GetTypeManagedHandle(Type type)
         {
+            if (type.IsInterface && type.IsGenericType)
+                type = type.GetGenericTypeDefinition(); // Generic type to use type definition handle
             if (managedTypes.TryGetValue(type, out (TypeHolder typeHolder, ManagedHandle handle) tuple))
                 return tuple.handle;
 #if FLAX_EDITOR