Index: trunk/src/VBox/Main/include/MachineImpl.h
===================================================================
--- trunk/src/VBox/Main/include/MachineImpl.h	(revision 31686)
+++ trunk/src/VBox/Main/include/MachineImpl.h	(revision 31698)
@@ -237,5 +237,5 @@
             Utf8Str strValue;
             /** Property timestamp */
-            ULONG64 mTimestamp;
+            LONG64 mTimestamp;
             /** Property flags */
             ULONG mFlags;
@@ -492,11 +492,11 @@
     STDMETHOD(RemoveSharedFolder)(IN_BSTR aName);
     STDMETHOD(CanShowConsoleWindow)(BOOL *aCanShow);
-    STDMETHOD(ShowConsoleWindow)(ULONG64 *aWinId);
-    STDMETHOD(GetGuestProperty)(IN_BSTR aName, BSTR *aValue, ULONG64 *aTimestamp, BSTR *aFlags);
+    STDMETHOD(ShowConsoleWindow)(LONG64 *aWinId);
+    STDMETHOD(GetGuestProperty)(IN_BSTR aName, BSTR *aValue, LONG64 *aTimestamp, BSTR *aFlags);
     STDMETHOD(GetGuestPropertyValue)(IN_BSTR aName, BSTR *aValue);
-    STDMETHOD(GetGuestPropertyTimestamp)(IN_BSTR aName, ULONG64 *aTimestamp);
+    STDMETHOD(GetGuestPropertyTimestamp)(IN_BSTR aName, LONG64 *aTimestamp);
     STDMETHOD(SetGuestProperty)(IN_BSTR aName, IN_BSTR aValue, IN_BSTR aFlags);
     STDMETHOD(SetGuestPropertyValue)(IN_BSTR aName, IN_BSTR aValue);
-    STDMETHOD(EnumerateGuestProperties)(IN_BSTR aPattern, ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(BSTR, aValues), ComSafeArrayOut(ULONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
+    STDMETHOD(EnumerateGuestProperties)(IN_BSTR aPattern, ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(BSTR, aValues), ComSafeArrayOut(LONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
     STDMETHOD(GetMediumAttachmentsOfController)(IN_BSTR aName, ComSafeArrayOut(IMediumAttachment *, aAttachments));
     STDMETHOD(GetMediumAttachment)(IN_BSTR aConstrollerName, LONG aControllerPort, LONG aDevice, IMediumAttachment **aAttachment);
@@ -513,5 +513,5 @@
     STDMETHOD(GetCPUStatus(ULONG aCpu, BOOL *aCpuAttached));
     STDMETHOD(QueryLogFilename(ULONG aIdx, BSTR *aName));
-    STDMETHOD(ReadLog(ULONG aIdx, ULONG64 aOffset, ULONG64 aSize, ComSafeArrayOut(BYTE, aData)));
+    STDMETHOD(ReadLog(ULONG aIdx, LONG64 aOffset, LONG64 aSize, ComSafeArrayOut(BYTE, aData)));
 
     // public methods only for internal purposes
@@ -799,7 +799,7 @@
 #ifdef VBOX_WITH_GUEST_PROPS
     HRESULT getGuestPropertyFromService(IN_BSTR aName, BSTR *aValue,
-                                        ULONG64 *aTimestamp, BSTR *aFlags) const;
+                                        LONG64 *aTimestamp, BSTR *aFlags) const;
     HRESULT getGuestPropertyFromVM(IN_BSTR aName, BSTR *aValue,
-                                   ULONG64 *aTimestamp, BSTR *aFlags) const;
+                                   LONG64 *aTimestamp, BSTR *aFlags) const;
     HRESULT setGuestPropertyToService(IN_BSTR aName, IN_BSTR aValue,
                                       IN_BSTR aFlags);
@@ -809,10 +809,10 @@
                 (IN_BSTR aPatterns, ComSafeArrayOut(BSTR, aNames),
                  ComSafeArrayOut(BSTR, aValues),
-                 ComSafeArrayOut(ULONG64, aTimestamps),
+                 ComSafeArrayOut(LONG64, aTimestamps),
                  ComSafeArrayOut(BSTR, aFlags));
     HRESULT enumerateGuestPropertiesOnVM
                 (IN_BSTR aPatterns, ComSafeArrayOut(BSTR, aNames),
                  ComSafeArrayOut(BSTR, aValues),
-                 ComSafeArrayOut(ULONG64, aTimestamps),
+                 ComSafeArrayOut(LONG64, aTimestamps),
                  ComSafeArrayOut(BSTR, aFlags));
 #endif /* VBOX_WITH_GUEST_PROPS */
@@ -929,7 +929,7 @@
                                IProgress **aProgress);
     STDMETHOD(PullGuestProperties)(ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(BSTR, aValues),
-              ComSafeArrayOut(ULONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
+              ComSafeArrayOut(LONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
     STDMETHOD(PushGuestProperty)(IN_BSTR aName, IN_BSTR aValue,
-                                  ULONG64 aTimestamp, IN_BSTR aFlags);
+                                  LONG64 aTimestamp, IN_BSTR aFlags);
     STDMETHOD(LockMedia)()   { return lockMedia(); }
     STDMETHOD(UnlockMedia)() { unlockMedia(); return S_OK; }
