diff -r ef0373b55136 -r 758a864f9613 src/declarative/util/qdeclarativeopenmetaobject.cpp
--- a/src/declarative/util/qdeclarativeopenmetaobject.cpp	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/declarative/util/qdeclarativeopenmetaobject.cpp	Mon Oct 04 01:19:32 2010 +0300
@@ -161,6 +161,12 @@
         prop.second = true;
     }
 
+    inline bool hasData(int idx) const {
+        if (idx >= data.count())
+            return false;
+        return data[idx].second;
+    }
+
     bool autoCreate;
     QDeclarativeOpenMetaObject *q;
     QAbstractDynamicMetaObject *parent;
@@ -295,6 +301,12 @@
     activate(d->object, id + d->type->d->signalOffset, 0);
 }
 
+// returns true if this value has been initialized by a call to either value() or setValue()
+bool QDeclarativeOpenMetaObject::hasValue(int id) const
+{
+    return d->hasData(id);
+}
+
 void QDeclarativeOpenMetaObject::setCached(bool c)
 {
     if (c == d->cacheProperties || !d->type->d->engine)