1 files changed, 5 insertions, 6 deletions
diff --git a/chart2/source/controller/chartapiwrapper/UpDownBarWrapper.hxx b/chart2/source/controller/chartapiwrapper/UpDownBarWrapper.hxx
index 1211ff735d9b..517a2406fe2c 100644
--- a/chart2/source/controller/chartapiwrapper/UpDownBarWrapper.hxx
+++ b/chart2/source/controller/chartapiwrapper/UpDownBarWrapper.hxx
@@ -18,8 +18,7 @@
  */
 #pragma once
 
-#include <MutexContainer.hxx>
-#include <comphelper/interfacecontainer2.hxx>
+#include <comphelper/interfacecontainer4.hxx>
 
 #include <cppuhelper/implbase.hxx>
 #include <com/sun/star/beans/XMultiPropertySet.hpp>
@@ -36,8 +35,7 @@ namespace chart::wrapper
 
 class Chart2ModelContact;
 
-class UpDownBarWrapper : public MutexContainer
-                       , public ::cppu::WeakImplHelper
+class UpDownBarWrapper : public ::cppu::WeakImplHelper
                         < css::lang::XComponent
                         , css::lang::XServiceInfo
                         , css::beans::XPropertySet
@@ -47,7 +45,7 @@ class UpDownBarWrapper : public MutexContainer
                         >
 {
 public:
-    UpDownBarWrapper(bool bUp, const std::shared_ptr<Chart2ModelContact>& spChart2ModelContact);
+    UpDownBarWrapper(bool bUp, std::shared_ptr<Chart2ModelContact> spChart2ModelContact);
     virtual ~UpDownBarWrapper() override;
 
     /// XServiceInfo declarations
@@ -94,8 +92,9 @@ public:
     virtual css::uno::Sequence< css::uno::Any > SAL_CALL getPropertyDefaults( const css::uno::Sequence< OUString >& aPropertyNames ) override;
 
 private: //member
+    std::mutex m_aMutex;
     std::shared_ptr< Chart2ModelContact >   m_spChart2ModelContact;
-    ::comphelper::OInterfaceContainerHelper2      m_aEventListenerContainer;
+    ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aEventListenerContainer;
 
     OUString       m_aPropertySetName;
 };