diff --git a/src/osgGA/Widget.cpp b/src/osgGA/Widget.cpp
index 140f95862..7756b482e 100644
--- a/src/osgGA/Widget.cpp
+++ b/src/osgGA/Widget.cpp
@@ -16,6 +16,7 @@
 #include <osg/ScriptEngine>
 #include <osg/Geometry>
 #include <osg/MatrixTransform>
+#include <osg/ValueObject>
 #include <osg/io_utils>
 
 #include <osgGA/Widget>
@@ -228,9 +229,10 @@ void Widget::traverseImplementation(osg::NodeVisitor& nv)
                 itr != events.end();
                 ++itr)
             {
-                handle(ev, itr->get());
-
-                (*itr)->setHandled(true);
+                if (handle(ev, itr->get()))
+                {
+                    (*itr)->setHandled(true);
+                }
             }
         }
     }
@@ -255,7 +257,19 @@ bool Widget::handle(osgGA::EventVisitor* ev, osgGA::Event* event)
         osg::Parameters inputParameters, outputParameters;
         inputParameters.push_back(ev);
         inputParameters.push_back(event);
-        return co->run(this, inputParameters, outputParameters) && outputParameters.size()>=1;
+        if (co->run(this, inputParameters, outputParameters))
+        {
+            if (outputParameters.size()>=1)
+            {
+                osg::BoolValueObject* bvo = dynamic_cast<osg::BoolValueObject*>(outputParameters[0].get());
+                if (bvo)
+                {
+                    return bvo->getValue();
+                }
+                return false;
+            }
+        }
+        return false;
     }
     else
     {
diff --git a/src/osgPresentation/deprecated/SlideEventHandler.cpp b/src/osgPresentation/deprecated/SlideEventHandler.cpp
index 74d41d683..843476c42 100644
--- a/src/osgPresentation/deprecated/SlideEventHandler.cpp
+++ b/src/osgPresentation/deprecated/SlideEventHandler.cpp
@@ -1592,7 +1592,6 @@ void SlideEventHandler::dispatchEvent(osgGA::Event* event)
     }
 
     eq->addEvent(event);
-
 }
 
 void SlideEventHandler::dispatchEvent(const KeyPosition& keyPosition)
diff --git a/src/osgWrappers/serializers/osgPresentation/PresentationInterface.cpp b/src/osgWrappers/serializers/osgPresentation/PresentationInterface.cpp
index 788e774a5..835316d15 100644
--- a/src/osgWrappers/serializers/osgPresentation/PresentationInterface.cpp
+++ b/src/osgWrappers/serializers/osgPresentation/PresentationInterface.cpp
@@ -14,6 +14,26 @@ struct PresentationInterfaceGetSlideEventHandler : public osgDB::MethodObject
     }
 };
 
+struct PresentationInterfaceGetViewer : public osgDB::MethodObject
+{
+    virtual bool run(void* objectPtr, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const
+    {
+        osgPresentation::PresentationInterface* pi = reinterpret_cast<osgPresentation::PresentationInterface*>(objectPtr);
+        outputParameters.push_back(pi->getViewer());
+        return true;
+    }
+};
+
+struct PresentationInterfaceGetPresentation : public osgDB::MethodObject
+{
+    virtual bool run(void* objectPtr, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const
+    {
+        osgPresentation::PresentationInterface* pi = reinterpret_cast<osgPresentation::PresentationInterface*>(objectPtr);
+        outputParameters.push_back(pi->getPresentation());
+        return true;
+    }
+};
+
 struct PresentationInterfaceSendEventToViewer : public osgDB::MethodObject
 {
     virtual bool run(void* objectPtr, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const
@@ -27,7 +47,6 @@ struct PresentationInterfaceSendEventToViewer : public osgDB::MethodObject
         {
             osgGA::Event* event = dynamic_cast<osgGA::Event*>(itr->get());
             osgPresentation::KeyPosition* kp = dynamic_cast<osgPresentation::KeyPosition*>(itr->get());
-            OSG_NOTICE<<"Dispatch event "<<pi<<", "<<kp<<", "<<event<<std::endl;
             if (kp) pi->sendEventToViewer(kp);
             else if (event) pi->sendEventToViewer(event);
         }
@@ -48,7 +67,6 @@ struct PresentationInterfaceSendEventToDevices : public osgDB::MethodObject
             ++itr)
         {
             osgGA::Event* event = dynamic_cast<osgGA::Event*>(itr->get());
-            OSG_NOTICE<<"forward event "<<pi<<", "<<event<<std::endl;
             if (event) pi->sendEventToDevices(event);
         }
 
@@ -62,6 +80,8 @@ REGISTER_OBJECT_WRAPPER( osgPresentation_PresentationInterface,
                          "osg::Object osgPresentation::PresentationInterface" )
 {
     ADD_METHOD_OBJECT( "getSlideEventHandler", PresentationInterfaceGetSlideEventHandler );
+    ADD_METHOD_OBJECT( "getViewer", PresentationInterfaceGetViewer );
+    ADD_METHOD_OBJECT( "getPresentation", PresentationInterfaceGetPresentation );
     ADD_METHOD_OBJECT( "sendEventToViewer", PresentationInterfaceSendEventToViewer );
     ADD_METHOD_OBJECT( "sendEventToDevices", PresentationInterfaceSendEventToDevices );
 }