Guard against potential null (#1695)

microsoft · Aug 2, 2024 · b1ecedd · b1ecedd
1 parent 15af469
commit b1ecedd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/WinRT.Runtime/ComWrappersSupport.cs b/src/WinRT.Runtime/ComWrappersSupport.cs
@@ -650,7 +650,8 @@ internal static Type GetRuntimeClassForTypeCreation(IInspectable inspectable, Ty
  // isn't already added. On JIT, we can construct it at runtime.
  if (!RuntimeFeature.IsDynamicCodeCompiled)
  {
- if (implementationType.IsInterface && 
+ if (implementationType != null &&
+ implementationType.IsInterface && 
  implementationType.IsGenericType &&
  !TypedObjectFactoryCacheForType.ContainsKey(implementationType))
  {