Index: dll/win32/msimtf/activeimmapp.c
===================================================================
--- dll/win32/msimtf/activeimmapp.c	(revision 68246)
+++ dll/win32/msimtf/activeimmapp.c	(working copy)
@@ -22,6 +22,7 @@
 
 typedef struct tagActiveIMMApp {
     IActiveIMMApp IActiveIMMApp_iface;
+    IActiveIMMMessagePumpOwner IActiveIMMMessagePumpOwner_iface;
     LONG refCount;
 } ActiveIMMApp;
 
@@ -46,6 +47,10 @@
     {
         *ppvOut = This;
     }
+    else if (IsEqualIID(iid, &IID_IActiveIMMMessagePumpOwner))
+    {
+        *ppvOut = &This->IActiveIMMMessagePumpOwner_iface;
+    }
 
     if (*ppvOut)
     {
@@ -792,6 +797,80 @@
     ActiveIMMApp_EnumInputContext
 };
 
+static inline ActiveIMMApp *impl_from_IActiveIMMMessagePumpOwner(IActiveIMMMessagePumpOwner *iface)
+{
+    return CONTAINING_RECORD(iface, ActiveIMMApp, IActiveIMMMessagePumpOwner_iface);
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_QueryInterface(IActiveIMMMessagePumpOwner* iface,
+        REFIID iid, LPVOID *ppvOut)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    return IActiveIMMApp_QueryInterface(&This->IActiveIMMApp_iface, iid, ppvOut);
+}
+
+static ULONG WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_AddRef(IActiveIMMMessagePumpOwner* iface)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    return IActiveIMMApp_AddRef(&This->IActiveIMMApp_iface);
+}
+
+static ULONG WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_Release(IActiveIMMMessagePumpOwner* iface)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    return IActiveIMMApp_Release(&This->IActiveIMMApp_iface);
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_Start(IActiveIMMMessagePumpOwner* iface)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    FIXME("(%p)->(): stub\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_End(IActiveIMMMessagePumpOwner* iface)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    FIXME("(%p)->(): stub\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_OnTranslateMessage(IActiveIMMMessagePumpOwner* iface,
+        const struct tagMSG *msg)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    FIXME("(%p)->(%p): stub\n", This, msg);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_Pause(IActiveIMMMessagePumpOwner* iface,
+        DWORD *pcookie)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    FIXME("(%p)->(%p): stub\n", This, pcookie);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ActiveIMMApp_IActiveIMMMessagePumpOwner_Resume(IActiveIMMMessagePumpOwner* iface,
+        DWORD cookie)
+{
+    ActiveIMMApp *This = impl_from_IActiveIMMMessagePumpOwner(iface);
+    FIXME("(%p)->(%u): stub\n", This, cookie);
+    return E_NOTIMPL;
+}
+
+static const IActiveIMMMessagePumpOwnerVtbl ActiveIMMApp_IActiveIMMMessagePumpOwnerVtbl =
+{
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_QueryInterface,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_AddRef,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_Release,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_Start,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_End,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_OnTranslateMessage,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_Pause,
+    ActiveIMMApp_IActiveIMMMessagePumpOwner_Resume,
+};
+
 DECLSPEC_HIDDEN HRESULT ActiveIMMApp_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 {
     ActiveIMMApp *This;
@@ -803,6 +882,7 @@
         return E_OUTOFMEMORY;
 
     This->IActiveIMMApp_iface.lpVtbl = &ActiveIMMAppVtbl;
+    This->IActiveIMMMessagePumpOwner_iface.lpVtbl = &ActiveIMMApp_IActiveIMMMessagePumpOwnerVtbl;
     This->refCount = 1;
 
     TRACE("returning %p\n",This);
Index: include/psdk/dimm.idl
===================================================================
--- include/psdk/dimm.idl	(revision 68246)
+++ include/psdk/dimm.idl	(working copy)
@@ -581,6 +581,21 @@
 }
 
 [
+    object,
+    uuid(b5cf2cfa-8aeb-11d1-9364-0060b067b86e),
+    pointer_default(unique),
+    local
+]
+interface IActiveIMMMessagePumpOwner : IUnknown
+{
+    HRESULT Start();
+    HRESULT End();
+    HRESULT OnTranslateMessage([in] const struct tagMSG *pMsg);
+    HRESULT Pause([out] DWORD *pwdCookie);
+    HRESULT Resume([in] DWORD dwCookie);
+}
+
+[
     uuid(4955dd33-b159-11d0-8fcf-00aa006bcc59)
 ]
 coclass CActiveIMM
@@ -588,6 +603,6 @@
     [default] interface IActiveIMMApp;
     /* interface IActiveIMMIME; */
     /* interface IActiveIMMRegistrar; */
-    /* interface IActiveIMMMessagePumpOwner; */
+    interface IActiveIMMMessagePumpOwner;
 }