Zhiyi Zhang (@zhiyi) commented about dlls/wintypes/propertyset.c:
+#include <objbase.h>
+#include <wine/debug.h>
+#include <activation.h>
+#define WIDL_using_Windows_Foundation +#define WIDL_using_Windows_Foundation_Collections +#include "wintypes_private.h"
+WINE_DEFAULT_DEBUG_CHANNEL( wintypes );
+struct propertyset +{
- IPropertySet IPropertySet_iface;
And here.