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diff --git a/include/svx/svdviter.hxx b/include/svx/svdviter.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 <svx/svxdllapi.h>
+
+/*
+
+Using this class, you can find out:
+- SdrView* First/NextView()
+  - All Views in which a model is displayed
+  - All Views in which a certain page is visible (also as MasterPage)
+  - All Views in which a certain object is visible (also as MasterPage)
+- SdrPageView* First/NextPageView()
+  - All PageViews in which a model is displayed
+  - All PageViews in which a certain page is visible (also as MasterPage)
+  - All PageViews in which a certain object is visible (also as MasterPage)
+- vcl::Window* First/NextWindow()
+  - All Windows in which a model is displayed
+  - All Windows in which a certain page is visible (also as MasterPage)
+  - All Windows in which a certain object is visible (also as MasterPage)
+You can specify if the selection is restricted to a certain page/object by
+choosing the corresponding constructor.
+
+Among others, the following are considered:
+- Visibility state of the layer
+- Visible Layer of MasterPages
+- Multiple layer for group objects
+
+Not considered are:
+- Whether the pages/objects were already painted or if an Invalidate is still pending
+- Whether the pages/objects in a Window are in a visible region
+
+*/
+
+class OutputDevice;
+class SdrView;
+class SdrPageView;
+class SdrModel;
+class SdrPage;
+class SdrObject;
+class SdrLayerIDSet;
+
+class SVXCORE_DLLPUBLIC SdrViewIter
+{
+    const SdrModel* mpModel;
+    const SdrPage* mpPage;
+    const SdrObject* mpObject;
+    SdrView* mpCurrentView;
+
+    size_t mnListenerNum;
+
+private:
+    SVX_DLLPRIVATE void          ImpInitVars();
+    SVX_DLLPRIVATE SdrView*      ImpFindView();
+    SVX_DLLPRIVATE bool          ImpCheckPageView(SdrPageView const * pPV) const;
+
+public:
+    SdrViewIter(const SdrPage* pPage);
+    SdrViewIter(const SdrObject* pObject);
+
+    SdrView* FirstView();
+    SdrView* NextView();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */