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diff --git a/UnoControls/source/inc/OConnectionPointContainerHelper.hxx b/UnoControls/source/inc/OConnectionPointContainerHelper.hxx
new file mode 100644
index 000000000..a1a8a3417
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+++ b/UnoControls/source/inc/OConnectionPointContainerHelper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/lang/XConnectionPointContainer.hpp>
+#include <cppuhelper/weak.hxx>
+#include <cppuhelper/interfacecontainer.hxx>
+
+namespace com::sun::star::lang { class XConnectionPoint; }
+
+namespace unocontrols {
+
+class OConnectionPointContainerHelper final :   public  css::lang::XConnectionPointContainer
+                                        ,   public  ::cppu::OWeakObject
+{
+public:
+    OConnectionPointContainerHelper( ::osl::Mutex& aMutex );
+
+    virtual ~OConnectionPointContainerHelper() override;
+
+    //  XInterface
+
+    /**
+        @short      give answer, if interface is supported
+        @descr      The interfaces are searched by type.
+
+        @seealso    XInterface
+
+        @param      "rType" is the type of searched interface.
+
+        @return     Any     information about found interface
+
+        @onerror    A RuntimeException is thrown.
+    */
+
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override;
+
+    /**
+        @short      increment refcount
+        @seealso    XInterface
+        @seealso    release()
+        @onerror    A RuntimeException is thrown.
+    */
+
+    virtual void SAL_CALL acquire() throw() override;
+
+    /**
+        @short      decrement refcount
+        @seealso    XInterface
+        @seealso    acquire()
+        @onerror    A RuntimeException is thrown.
+    */
+
+    virtual void SAL_CALL release() throw() override;
+
+    //  XConnectionPointContainer
+
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getConnectionPointTypes() override;
+
+    virtual css::uno::Reference< css::lang::XConnectionPoint > SAL_CALL queryConnectionPoint(
+        const css::uno::Type& aType
+    ) override;
+
+    virtual void SAL_CALL advise(
+        const   css::uno::Type&                              aType ,
+        const   css::uno::Reference< css::uno::XInterface >&  xListener
+    ) override;
+
+    virtual void SAL_CALL unadvise(
+        const   css::uno::Type&                              aType       ,
+        const   css::uno::Reference< css::uno::XInterface >&  xListener
+    ) override;
+
+    //  public but impl method!
+    //  Is necessary to get container member at OConnectionPoint-instance.
+    // Impl methods are not threadsafe!
+    // "Parent" function must do this.
+    ::cppu::OMultiTypeInterfaceContainerHelper& impl_getMultiTypeContainer() { return m_aMultiTypeContainer; }
+
+private:
+    ::osl::Mutex&                                   m_aSharedMutex;
+    ::cppu::OMultiTypeInterfaceContainerHelper      m_aMultiTypeContainer;   // Container to hold listener
+};
+
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */