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items.h
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Upload Date: 2007-02-14
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Windows Kernel

Development Platform:

Visual C++

items.h：Code Content
  1. //+-------------------------------------------------------------------------
  2. //
  3. //  Microsoft Windows
  4. //
  5. //  Copyright (C) Microsoft Corporation, 1997 - 1999
  6. //
  7. //  File:       items.h
  8. //
  9. //--------------------------------------------------------------------------
  11. #ifndef _INC_CSCUI_ITEMS_H
  12. #define _INC_CSCUI_ITEMS_H
  15. #ifndef _INC_SHELL_IDLDATA_H
  16. #   include "idldata.h"
  17. #endif
  19. class COfflineItemsData : public CIDLData
  20. {
  21.     public:
  22.         COfflineItemsData(LPCITEMIDLIST pidlFolder, 
  23.                           UINT cidl, 
  24.                           LPCITEMIDLIST *apidl, 
  25.                           HWND hwndParent,
  26.                           IShellFolder *psfOwner = NULL,
  27.                           IDataObject *pdtInner = NULL);
  29.         ~COfflineItemsData(void);
  31.         STDMETHODIMP GetData(FORMATETC *pFEIn, STGMEDIUM *pstm);
  32.         STDMETHODIMP SetData(FORMATETC *pFEIn, STGMEDIUM *pstm, BOOL fRelease);
  33.         STDMETHODIMP QueryGetData(FORMATETC *pFE);
  36.         static HRESULT CreateInstance(COfflineItemsData **ppOut,
  37.                                       LPCITEMIDLIST pidlFolder, 
  38.                                       UINT cidl, 
  39.                                       LPCITEMIDLIST *apidl, 
  40.                                       HWND hwndParent,
  41.                                       IShellFolder *psfOwner = NULL,
  42.                                       IDataObject *pdtInner = NULL);
  44.         static HRESULT CreateInstance(IDataObject **ppOut,
  45.                                       LPCITEMIDLIST pidlFolder, 
  46.                                       UINT cidl, 
  47.                                       LPCITEMIDLIST *apidl, 
  48.                                       HWND hwndParent,
  49.                                       IShellFolder *psfOwner = NULL,
  50.                                       IDataObject *pdtInner = NULL);
  52.         HRESULT CtorResult(void) const
  53.             { return m_hrCtor; }
  55.     protected:
  56.         HRESULT ProvideFormats(CEnumFormatEtc *pEnumFmtEtc);
  58.     private:
  59.         HWND                m_hwndParent;
  60.         LPCOLID            *m_rgpolid; // Pidls cloned in private format.
  61.         int                 m_cItems;
  62.         HRESULT             m_hrCtor;
  63.         DWORD               m_dwPreferredEffect;
  64.         DWORD               m_dwPerformedEffect;
  65.         DWORD               m_dwLogicalPerformedEffect;
  67.         static CLIPFORMAT m_cfHDROP;
  68.         static CLIPFORMAT m_cfFileContents;
  69.         static CLIPFORMAT m_cfFileDesc;
  70.         static CLIPFORMAT m_cfPreferedEffect;
  71.         static CLIPFORMAT m_cfPerformedEffect;
  72.         static CLIPFORMAT m_cfLogicalPerformedEffect;
  73.         static CLIPFORMAT m_cfDataSrcClsid;
  74.        
  75.         HRESULT CreateFileDescriptor(STGMEDIUM *pstm);
  76.         HRESULT CreateFileContents(STGMEDIUM *pstm, LONG lindex);
  77.         HRESULT CreatePrefDropEffect(STGMEDIUM *pstm);
  78.         HRESULT CreatePerformedDropEffect(STGMEDIUM *pstm);
  79.         HRESULT CreateLogicalPerformedDropEffect(STGMEDIUM *pstm);
  80.         HRESULT CreateHDROP(STGMEDIUM *pstm);
  81.         HRESULT CreateDataSrcClsid(STGMEDIUM *pstm);
  82.         HRESULT CreateDWORD(STGMEDIUM *pstm, DWORD dwEffect);
  83.         DWORD GetDataDWORD(FORMATETC *pfe, STGMEDIUM *pstm, DWORD *pdwOut);
  85.         //
  86.         // Prevent copy.
  87.         //
  88.         COfflineItemsData(const COfflineItemsData& rhs);
  89.         COfflineItemsData& operator = (const COfflineItemsData& rhs);
  90. };
  95. class COfflineItems : public IContextMenu, 
  96.                       public IQueryInfo
  97. {
  98.     public:
  99.         HRESULT Initialize(UINT cidl, LPCITEMIDLIST *ppidl);
  101.         //
  102.         // IUnknown Methods
  103.         //
  104.         STDMETHODIMP QueryInterface(REFIID,void **);
  105.         STDMETHODIMP_(ULONG) AddRef(void);
  106.         STDMETHODIMP_(ULONG) Release(void);
  107.     
  108.         //
  109.         // IContextMenu Methods
  110.         //
  111.         STDMETHODIMP QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
  112.         STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO lpici);
  113.         STDMETHODIMP GetCommandString(UINT_PTR idCmd, UINT uType,UINT *pwReserved, LPSTR pszName, UINT cchMax);
  115.         //
  116.         // IQueryInfo Methods
  117.         //
  118.         STDMETHODIMP GetInfoTip(DWORD dwFlags, WCHAR **ppwszTip);
  119.         STDMETHODIMP GetInfoFlags(DWORD *pdwFlags);
  120.     
  121.         static HRESULT CreateInstance(COfflineFilesFolder *pfolder, 
  122.                                       HWND hwnd, 
  123.                                       UINT cidl, 
  124.                                       LPCITEMIDLIST *ppidl, 
  125.                                       REFIID riid, 
  126.                                       void **ppv);
  127.     private:
  128.         //
  129.         // Only create through CreateInstance() static function.
  130.         //
  131.         COfflineItems(COfflineFilesFolder *pfolder, HWND hwnd);
  132.         ~COfflineItems();
  134.         LONG                 m_cRef;        // reference count
  135.         COfflineFilesFolder *m_pFolder;     // back pointer to our shell folder
  136.         UINT                 m_cItems;      // number of items we represent
  137.         LPCOLID             *m_ppolid;      // variable size array of items
  138.         HWND                 m_hwndBrowser;
  139. };
  141. #endif // _INC_CSCUI_ITEMS_H