Make engine skip planning if there are any downgrade related bundles.

Fixes 6677, 6722
Reverts 6537

1 files changed, 7 insertions, 0 deletions

diff --git a/src/api/burn/balutil/inc/IBootstrapperApplication.h b/src/api/burn/balutil/inc/IBootstrapperApplication.h
index 462df0cc..c9cf3126 100644
--- a/src/api/burn/balutil/inc/IBootstrapperApplication.h
+++ b/src/api/burn/balutil/inc/IBootstrapperApplication.h
@@ -707,4 +707,11 @@ DECLARE_INTERFACE_IID_(IBootstrapperApplication, IUnknown, "53C31D56-49C0-426B-A
         __inout BOOTSTRAPPER_RELATED_BUNDLE_PLAN_TYPE* pRequestedType,
         __inout BOOL* pfCancel
         ) = 0;
+
+    // OnApplyDowngrade - called when the plan determined that nothing should happen to prevent downgrading.
+    //
+    STDMETHOD(OnApplyDowngrade)(
+        __in HRESULT hrRecommended,
+        __inout HRESULT* phrStatus
+        ) = 0;
 };