6 files changed, 18 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/browserline.hxx b/extensions/source/propctrlr/browserline.hxx
index 0f0b2f30a81a..be88c81b3b01 100644
--- a/extensions/source/propctrlr/browserline.hxx
+++ b/extensions/source/propctrlr/browserline.hxx
@@ -52,6 +52,9 @@ namespace pcr
     {
     public:
         virtual void    buttonClicked( OBrowserLine* _pLine, sal_Bool _bPrimary ) = 0;
+
+    protected:
+        ~IButtonClickListener() {}
     };
 
     //========================================================================
diff --git a/extensions/source/propctrlr/browserlistbox.hxx b/extensions/source/propctrlr/browserlistbox.hxx
index c5c46ef4898a..a2f0ea8545b5 100644
--- a/extensions/source/propctrlr/browserlistbox.hxx
+++ b/extensions/source/propctrlr/browserlistbox.hxx
@@ -90,6 +90,9 @@ namespace pcr
         virtual void SAL_CALL focusGained( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControl >& Control ) throw (::com::sun::star::uno::RuntimeException) = 0;
         virtual void SAL_CALL valueChanged( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControl >& Control ) throw (::com::sun::star::uno::RuntimeException) = 0;
         virtual void SAL_CALL activateNextControl( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControl >& CurrentControl ) throw (::com::sun::star::uno::RuntimeException) = 0;
+
+    protected:
+        ~IControlContext() {}
     };
 
     //========================================================================
diff --git a/extensions/source/propctrlr/commoncontrol.hxx b/extensions/source/propctrlr/commoncontrol.hxx
index a38f0e027255..5be4d409613b 100644
--- a/extensions/source/propctrlr/commoncontrol.hxx
+++ b/extensions/source/propctrlr/commoncontrol.hxx
@@ -79,6 +79,9 @@ namespace pcr
     {
     public:
         virtual void modified() = 0;
+
+    protected:
+        ~IModifyListener() {}
     };
 
     //========================================================================
diff --git a/extensions/source/propctrlr/composeduiupdate.hxx b/extensions/source/propctrlr/composeduiupdate.hxx
index 0ee9a98eeaf7..1a9617cf6948 100644
--- a/extensions/source/propctrlr/composeduiupdate.hxx
+++ b/extensions/source/propctrlr/composeduiupdate.hxx
@@ -56,6 +56,9 @@ namespace pcr
     {
     public:
         virtual ::sal_Bool SAL_CALL hasPropertyByName( const ::rtl::OUString& _rName ) throw (::com::sun::star::uno::RuntimeException) = 0;
+
+    protected:
+        ~IPropertyExistenceCheck() {}
     };
 
     //====================================================================
diff --git a/extensions/source/propctrlr/propcontrolobserver.hxx b/extensions/source/propctrlr/propcontrolobserver.hxx
index d1d48ab8b80a..c42aa438b32f 100644
--- a/extensions/source/propctrlr/propcontrolobserver.hxx
+++ b/extensions/source/propctrlr/propcontrolobserver.hxx
@@ -47,6 +47,9 @@ namespace pcr
     public:
         virtual void    focusGained( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControl >& _Control ) = 0;
         virtual void    valueChanged( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControl >& _Control ) = 0;
+
+    protected:
+        ~IPropertyControlObserver() {}
     };
 
 //........................................................................
diff --git a/extensions/source/propctrlr/proplinelistener.hxx b/extensions/source/propctrlr/proplinelistener.hxx
index 4d72352cbc5b..6f116b195ab4 100644
--- a/extensions/source/propctrlr/proplinelistener.hxx
+++ b/extensions/source/propctrlr/proplinelistener.hxx
@@ -42,6 +42,9 @@ namespace pcr
     public:
         virtual void    Clicked(    const ::rtl::OUString& _rName, sal_Bool _bPrimary ) = 0;
         virtual void    Commit(     const ::rtl::OUString& _rName, const ::com::sun::star::uno::Any& _rVal ) = 0;
+
+    protected:
+        ~IPropertyLineListener() {}
     };
 
 //............................................................................