1 | /* $Id: UIDnDEnumFormat_win.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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2 | /** @file
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3 | * VBox Qt GUI - UIDnDEnumFormat class declaration.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2014-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #ifndef FEQT_INCLUDED_SRC_runtime_UIDnDEnumFormat_win_h
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29 | #define FEQT_INCLUDED_SRC_runtime_UIDnDEnumFormat_win_h
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30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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31 | # pragma once
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32 | #endif
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33 |
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34 |
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35 | class UIDnDEnumFormatEtc : public IEnumFORMATETC
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36 | {
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37 | public:
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38 |
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39 | UIDnDEnumFormatEtc(FORMATETC *pFormatEtc, ULONG cFormats);
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40 | virtual ~UIDnDEnumFormatEtc(void);
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41 |
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42 | public:
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43 |
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44 | STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject);
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45 | STDMETHOD_(ULONG, AddRef)(void);
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46 | STDMETHOD_(ULONG, Release)(void);
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47 |
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48 | STDMETHOD(Next)(ULONG cFormats, FORMATETC *pFormatEtc, ULONG *pcFetched);
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49 | STDMETHOD(Skip)(ULONG cFormats);
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50 | STDMETHOD(Reset)(void);
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51 | STDMETHOD(Clone)(IEnumFORMATETC ** ppEnumFormatEtc);
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52 |
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53 | public:
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54 |
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55 | static void CopyFormat(FORMATETC *pFormatDest, FORMATETC *pFormatSource);
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56 | static HRESULT CreateEnumFormatEtc(UINT cFormats, FORMATETC *pFormatEtc, IEnumFORMATETC **ppEnumFormatEtc);
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57 |
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58 | private:
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59 |
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60 | LONG m_lRefCount;
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61 | ULONG m_nIndex;
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62 | ULONG m_nNumFormats;
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63 | FORMATETC * m_pFormatEtc;
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64 | };
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65 |
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66 | #endif /* !FEQT_INCLUDED_SRC_runtime_UIDnDEnumFormat_win_h */
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67 |
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