152 lines
5.5 KiB
C++
152 lines
5.5 KiB
C++
/*======================================================================================//
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| Process Control //
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| //
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|Copyright (c) 1998 Sequent Computer Systems, Incorporated. All rights reserved. //
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| //
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|File Name: DataObj.h //
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| //
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|Description: Class definition for CDataObj, implements IDataObj interface //
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| //
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|Created: Paul Skoglund 07-1998 //
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| //
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|Rev History: //
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| //
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|=======================================================================================*/
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/////////////////////////////////////////////////////////////////////////////
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// DataObj: The IDataObject Interface is used to communicate data
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//
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// This is a part of the MMC SDK.
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// Copyright (C) 1997 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// MMC SDK Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// MMC Library product.
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//
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#ifndef __DATAOBJ_H_
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#define __DATAOBJ_H_
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#include <atlctl.h>
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#include <mmc.h>
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#include "Globals.h"
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// Custom clipboard formats
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const TCHAR *const CCF_SNAPIN_INTERNAL = _T("CF_PROCCON_DATAOBJECT_CONTAINER");
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const TCHAR *const CCF_SNAPIN_BASEINTERNAL = _T("CF_PROCCON_BASENODEOBJECT_CONTAINER");
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/////////////////////////////////////////////////////////////////////////////
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// Defines, Types etc...
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//
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/////////////////////////////////////////////////////////////////////////////
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// CDataObject - This class is used to pass data back and forth with MMC. It
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// uses a standard interface, IDataObject to acomplish this.
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// Refer to OLE documentation for a description of clipboard
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// formats and the IDataObject interface.
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class CDataObject:
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//public IDataObjectImpl<CDataObject>,
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public IDataObject,
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public CComObjectRoot
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{
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public:
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DECLARE_NOT_AGGREGATABLE(CDataObject)
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BEGIN_COM_MAP(CDataObject)
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COM_INTERFACE_ENTRY(IDataObject)
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END_COM_MAP()
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CDataObject();
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~CDataObject();
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// IDataObject methods
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public:
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STDMETHOD(GetDataHere)(FORMATETC *pformatetc, STGMEDIUM *pmedium);
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STDMETHOD(EnumFormatEtc)( DWORD dwDirection, LPENUMFORMATETC* ppEnumFormatEtc );
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STDMETHOD(GetData)(LPFORMATETC pFormatEtc, LPSTGMEDIUM pStgMedium);
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STDMETHOD(QueryGetData)(LPFORMATETC pFormatEtc);
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STDMETHOD(SetData)(LPFORMATETC pFormatEtc, LPSTGMEDIUM pStgMedium, BOOL bRelease);
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// The rest are not implemented
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STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC lpFormatetcIn, LPFORMATETC lpFormatetcOut)
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{
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return E_NOTIMPL;
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};
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STDMETHOD(DAdvise)(LPFORMATETC lpFormatetc, DWORD advf, LPADVISESINK pAdvSink, LPDWORD pdwConnection)
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{
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return E_NOTIMPL;
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};
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STDMETHOD(DUnadvise)(DWORD dwConnection)
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{
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return E_NOTIMPL;
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};
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STDMETHOD(EnumDAdvise)(LPENUMSTATDATA* ppEnumAdvise)
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{
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return E_NOTIMPL;
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};
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// Non-interface member functions
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public:
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DATA_OBJECT_TYPES GetContext() { return m_Context; }
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MMC_COOKIE GetResultItemCookie() { ASSERT(m_bResultItem); return m_Cookie; }
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CBaseNode *GetBaseObject() { ASSERT(m_pFolderObj); return m_pFolderObj; }
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BOOL IsResultItem() { return m_bResultItem; }
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VOID SetDataObject(DATA_OBJECT_TYPES, CBaseNode *pFolder );
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VOID SetDataObject(DATA_OBJECT_TYPES, CBaseNode *pFolder, MMC_COOKIE ResultItemCookie);
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private:
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HRESULT WriteNodeID (IStream *pstm, BOOL bCCF_NODEID = FALSE );
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HRESULT WriteSnapinPreloads(IStream *pstm);
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HRESULT WriteWindowTitle (IStream* pstm);
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HRESULT WriteNodeTypeGUID (IStream *pstm);
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HRESULT WriteNodeTypeGUIDString(IStream *pstm);
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HRESULT WriteDisplayName (IStream *pstm);
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HRESULT WriteClsid (IStream *pstm);
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HRESULT WriteInternal (IStream *pstm);
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HRESULT WriteBaseInternal (IStream *pstm);
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DATA_OBJECT_TYPES m_Context; // Context in which this was created
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CBaseNode * m_pFolderObj; // Pointer to a folder object
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MMC_COOKIE m_Cookie; // result item LPARAM cookie or index
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BOOL m_bResultItem; // dataobject pointer for a result item...
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public:
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static LONG s_nCount;
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// not required, but used by MMC formats:
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static UINT s_cfNodeID;
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static UINT s_cfNodeID2;
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static UINT s_cfSnapinPreloads;
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static UINT s_cfWindowTitle;
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// required formats:
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static UINT s_cfNodeType;
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static UINT s_cfNodeTypeString;
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static UINT s_cfDisplayName;
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static UINT s_cfSnapinClsid;
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// custom formats:
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static UINT s_cfInternal; // Our custom clipboard format
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static UINT s_cfBaseInternal; // Our custom clipboard format
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};
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#endif // __DATAOBJ_H_
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