diff --git a/ApplicationCode/UserInterface/RiuMainWindow.cpp b/ApplicationCode/UserInterface/RiuMainWindow.cpp
index a5c475fcfe..e6cab5e794 100644
--- a/ApplicationCode/UserInterface/RiuMainWindow.cpp
+++ b/ApplicationCode/UserInterface/RiuMainWindow.cpp
@@ -2010,3 +2010,15 @@ void RiuMainWindow::appendActionsContextMenuForPdmObject(caf::PdmObject* pdmObje
         menu->addAction(m_openMultipleEclipseCasesAction);
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuMainWindow::setExpanded(const caf::PdmObject* pdmObject, bool expanded)
+{
+    QModelIndex mi = m_treeModelPdm->getModelIndexFromPdmObject(pdmObject);
+    if (m_treeView && mi.isValid())
+    {
+        m_treeView->setExpanded(mi, expanded);
+    }
+}
diff --git a/ApplicationCode/UserInterface/RiuMainWindow.h b/ApplicationCode/UserInterface/RiuMainWindow.h
index 0e2aa40bee..42e1a7c8f2 100644
--- a/ApplicationCode/UserInterface/RiuMainWindow.h
+++ b/ApplicationCode/UserInterface/RiuMainWindow.h
@@ -97,7 +97,8 @@ public:
 
     void            appendActionsContextMenuForPdmObject(caf::PdmObject* pdmObject, QMenu* menu);
     void            refreshDrawStyleActions();
-
+    
+    void            setExpanded(const caf::PdmObject* pdmObject, bool expanded);
 
 protected:
     virtual void	closeEvent(QCloseEvent* event);