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diff --git a/basic/source/sbx/sbxdec.hxx b/basic/source/sbx/sbxdec.hxx
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+++ b/basic/source/sbx/sbxdec.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
+
+#ifdef _WIN32
+#include <prewin.h>
+#include <postwin.h>
+#include <comutil.h>
+#include <oleauto.h>
+#endif
+
+#include <com/sun/star/bridge/oleautomation/Decimal.hpp>
+
+
+// Decimal support
+// Implementation only for windows
+
+class SbxDecimal
+{
+    friend void releaseDecimalPtr( SbxDecimal*& rpDecimal );
+
+#ifdef _WIN32
+    DECIMAL     maDec;
+#endif
+    sal_Int32       mnRefCount;
+
+public:
+    SbxDecimal();
+    SbxDecimal( const SbxDecimal& rDec );
+    explicit SbxDecimal( const css::bridge::oleautomation::Decimal& rAutomationDec );
+
+    void addRef()
+        { mnRefCount++; }
+
+    void fillAutomationDecimal( css::bridge::oleautomation::Decimal& rAutomationDec );
+
+    void setChar( sal_Unicode val );
+    void setByte( sal_uInt8 val );
+    void setShort( sal_Int16 val );
+    void setLong( sal_Int32 val );
+    void setUShort( sal_uInt16 val );
+    void setULong( sal_uInt32 val );
+    bool setSingle( float val );
+    bool setDouble( double val );
+    void setInt( int val );
+    void setUInt( unsigned int val );
+    bool setString( OUString* pOUString );
+    void setDecimal( SbxDecimal const * pDecimal )
+    {
+#ifdef _WIN32
+        if( pDecimal )
+            maDec = pDecimal->maDec;
+#else
+        (void)pDecimal;
+#endif
+    }
+
+    bool getChar( sal_Unicode& rVal );
+    bool getShort( sal_Int16& rVal );
+    bool getLong( sal_Int32& rVal );
+    bool getUShort( sal_uInt16& rVal );
+    bool getULong( sal_uInt32& rVal );
+    bool getSingle( float& rVal );
+    bool getDouble( double& rVal );
+    void getString( OUString& rString );
+
+    bool operator -= ( const SbxDecimal &r );
+    bool operator += ( const SbxDecimal &r );
+    bool operator /= ( const SbxDecimal &r );
+    bool operator *= ( const SbxDecimal &r );
+    bool neg();
+
+    bool isZero() const;
+
+    // must match the return values of the Microsoft VarDecCmp Automation function
+    enum class CmpResult { LT, EQ, GT };
+    friend CmpResult compare( const SbxDecimal &rLeft, const SbxDecimal &rRight );
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */