1 files changed, 6 insertions, 9 deletions
diff --git a/shell/inc/columninfo.hxx b/shell/inc/columninfo.hxx
index 8009e58f01cb..4950ad969b71 100644
--- a/shell/inc/columninfo.hxx
+++ b/shell/inc/columninfo.hxx
@@ -42,25 +42,22 @@ public:
 
     virtual HRESULT STDMETHODCALLTYPE QueryInterface(
             REFIID riid,
-            void __RPC_FAR *__RPC_FAR *ppvObject);
+            void __RPC_FAR *__RPC_FAR *ppvObject) override;
 
-    virtual ULONG STDMETHODCALLTYPE AddRef();
+    virtual ULONG STDMETHODCALLTYPE AddRef() override;
 
-    virtual ULONG STDMETHODCALLTYPE Release();
+    virtual ULONG STDMETHODCALLTYPE Release() override;
 
 
     // IColumnProvider
 
 
-    virtual HRESULT STDMETHODCALLTYPE Initialize(LPCSHCOLUMNINIT psci);
+    virtual HRESULT STDMETHODCALLTYPE Initialize(LPCSHCOLUMNINIT psci) override;
 
-    virtual HRESULT STDMETHODCALLTYPE GetColumnInfo(DWORD dwIndex, SHCOLUMNINFO *psci);
+    virtual HRESULT STDMETHODCALLTYPE GetColumnInfo(DWORD dwIndex, SHCOLUMNINFO *psci) override;
 
     virtual HRESULT STDMETHODCALLTYPE GetItemData(
-        LPCSHCOLUMNID pscid, LPCSHCOLUMNDATA pscd, VARIANT *pvarData);
-
-private:
-    bool IsOOFileExtension(wchar_t* Extension) const;
+        LPCSHCOLUMNID pscid, LPCSHCOLUMNDATA pscd, VARIANT *pvarData) override;
 
 private:
     long    m_RefCnt;