fixed regression in casting composable types (#491)

microsoft · Oct 14, 2020 · 27073d6 · 27073d6
1 parent 382e321
commit 27073d6
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/WinRT.Runtime/CastExtensions.cs b/WinRT.Runtime/CastExtensions.cs
@@ -102,7 +102,8 @@ private static IObjectReference GetRefForObject(object value)
         }
 
         private static bool TryGetComposedRefForQI(object value, out IObjectReference objRef)
-        {
+        {
+#if NETSTANDARD2_0
             var getReferenceMethod = value.GetType().GetMethod("GetDefaultReference", BindingFlags.NonPublic | BindingFlags.Instance).MakeGenericMethod(typeof(IUnknownVftbl));
             if (getReferenceMethod is null)
             {
@@ -111,6 +112,15 @@ private static bool TryGetComposedRefForQI(object value, out IObjectReference ob
             }
             objRef = (IObjectReference)getReferenceMethod.Invoke(value, Array.Empty<object>());
             return true;
+#else
+            if(value is IWinRTObject winrtObj)
+            {
+                objRef = winrtObj.NativeObject;
+                return true;
+            }
+            objRef = null;
+            return false;
+#endif
         }
     }
 }