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diff --git a/winaccessibility/source/UAccCOM/AccRelation.cxx b/winaccessibility/source/UAccCOM/AccRelation.cxx
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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 .
+ */
+
+#include "stdafx.h"
+#include <UAccCOM.h>
+#include "AccRelation.h"
+
+#include <vcl/svapp.hxx>
+
+#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/XAccessibleContext.hpp>
+#include "MAccessible.h"
+
+using namespace com::sun::star::accessibility;
+using namespace com::sun::star::uno;
+
+/**
+ * Get relation type.
+ * @param relationType Variant to get relation type.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_relationType(BSTR * relationType)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (relationType == nullptr)
+ return E_INVALIDARG;
+
+ int type = relation.RelationType;
+ SysFreeString(*relationType);
+
+ *relationType = getRelationTypeBSTR(type);
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+// Gets what the type of localized relation is.
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_localizedRelationType(BSTR *)
+{
+
+
+ try {
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get targets length.
+ * @param nTargets Variant to get targets length.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_nTargets(long * nTargets)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (nTargets == nullptr)
+ return E_INVALIDARG;
+
+ Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
+ *nTargets = xTargets.getLength();
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special target.
+ * @param targetIndex target index.
+ * @param target Variant to get special target.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_target(long targetIndex, IUnknown * * target)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (target == nullptr)
+ return E_FAIL;
+
+ Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
+ int nCount = xTargets.getLength();
+ if( targetIndex >= nCount )
+ return E_FAIL;
+
+ Reference<XAccessible> xRAcc(xTargets[targetIndex], UNO_QUERY);
+ IAccessible* pRet = CMAccessible::get_IAccessibleFromXAccessible(xRAcc.get());
+ if (pRet)
+ {
+ *target = pRet;
+ pRet->AddRef();
+ return S_OK;
+ }
+
+ return E_FAIL;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special targets.
+ * @param maxTargets Special targets count.
+ * @param target Variant to get special target.
+ * @param nTargets Variant to accept actual target length.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_targets(long, IUnknown * * target, long * nTargets)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if(target == nullptr)
+ return E_INVALIDARG;
+ if (nTargets == nullptr)
+ return E_INVALIDARG;
+
+ Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
+ int nCount = xTargets.getLength();
+
+ *target = static_cast<IUnknown*>(::CoTaskMemAlloc(nCount*sizeof(IUnknown)));
+
+ // #CHECK Memory Allocation#
+ if(*target == nullptr)
+ {
+ return E_FAIL;
+ }
+
+ for(int i=0; i<nCount ; i++)
+ {
+ IUnknown* pAcc = nullptr;
+ HRESULT hr = get_target(i,&pAcc);
+ if(SUCCEEDED(hr))
+ target[i] = pAcc;
+ }
+
+ *nTargets = nCount;
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Put UNO interface.
+ * @param pXSubInterface AccessibleRelation pointer.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::put_XSubInterface(hyper pXSubInterface)
+{
+ // internal IUNOXWrapper - no mutex meeded
+
+ relation = *reinterpret_cast<AccessibleRelation*>(pXSubInterface);
+ return S_OK;
+}
+
+/**
+ * Get relation type string by type.
+ * @param type Relation type.
+ * @return relation type string.
+*/
+BSTR CAccRelation::getRelationTypeBSTR(int type)
+{
+ static LPCWSTR map[] =
+ {
+ L"INVALID", // AccessibleRelationType::INVALID
+ IA2_RELATION_FLOWS_FROM, // AccessibleRelationType::CONTENT_FLOWS_FROM
+ IA2_RELATION_FLOWS_TO, // AccessibleRelationType::CONTENT_FLOWS_TO
+ IA2_RELATION_CONTROLLED_BY, // AccessibleRelationType::CONTROLLED_BY
+ IA2_RELATION_CONTROLLER_FOR, // AccessibleRelationType::CONTROLLER_FOR
+ IA2_RELATION_LABEL_FOR, // AccessibleRelationType::LABEL_FOR
+ IA2_RELATION_LABELED_BY, // AccessibleRelationType::LABELED_BY
+ IA2_RELATION_MEMBER_OF, // AccessibleRelationType::MEMBER_OF
+ IA2_RELATION_SUBWINDOW_OF, // AccessibleRelationType::SUB_WINDOW_OF
+ IA2_RELATION_NODE_CHILD_OF, // AccessibleRelationType::NODE_CHILD_OF
+ IA2_RELATION_DESCRIBED_BY // AccessibleRelationType::DESCRIBED_BY
+ };
+
+ return ::SysAllocString( (type >= AccessibleRelationType::INVALID && type <= AccessibleRelationType::DESCRIBED_BY)
+ ? map[type] : L"");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */