1 files changed, 5 insertions, 3 deletions
diff --git a/chart2/source/controller/inc/uiobject.hxx b/chart2/source/controller/inc/uiobject.hxx
index 01dc8b500043..6de63f5d3fdf 100644
--- a/chart2/source/controller/inc/uiobject.hxx
+++ b/chart2/source/controller/inc/uiobject.hxx
@@ -14,12 +14,12 @@
 
 #include "ChartWindow.hxx"
 
-class ChartUIObject : public UIObject
+class ChartUIObject final : public UIObject
 {
 public:
 
     ChartUIObject(const VclPtr<chart::ChartWindow>& xChartWindow,
-            const OUString& rCID);
+            OUString aCID);
 
     StringMap get_state() override;
 
@@ -32,6 +32,8 @@ public:
 
     virtual OUString get_type() const override;
 
+    virtual bool equals(const UIObject& rOther) const override;
+
 private:
 
     OUString maCID;
@@ -41,7 +43,7 @@ private:
     DECL_LINK(PostCommand, void*, void);
 };
 
-class ChartWindowUIObject : public WindowUIObject
+class ChartWindowUIObject final : public WindowUIObject
 {
     VclPtr<chart::ChartWindow> mxChartWindow;