Shell编程

开发平台：
Visual C++

Folder.h：源码内容
							// Folder.h : Declaration of the CFolder
//
// Written by Bjarke Viksoe (bjarke@viksoe.dk)
// Copyright (c) 2001 Bjarke Viksoe.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed by any means PROVIDING it is 
// not sold for profit without the authors written consent, and 
// providing that this notice and the authors name is included. 
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability if it causes any damage to you or your
// computer whatsoever. It's free, so don't hassle me about it.
//
// Beware of bugs.
#ifndef __FOLDER_H_
#define __FOLDER_H_
#include "resource.h"       // main symbols
/////////////////////////////////////////////////////////////////////////////
// CFolder
class ATL_NO_VTABLE CFolder : 
   public CComObjectRootEx<CComSingleThreadModel>,
   public CComCoClass<CFolder, &CLSID_Folder>,
   public IShellFolderImpl<CFolder, PIDLDATA>,
   public IQueryInfo
{
public:
   HRESULT FinalConstruct();
   void FinalRelease();
DECLARE_NOT_AGGREGATABLE(CFolder)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CFolder)
   COM_INTERFACE_ENTRY_IID(IID_IShellFolder,IShellFolder)
   COM_INTERFACE_ENTRY_IID(IID_IPersistFolder,IPersistFolder)
   COM_INTERFACE_ENTRY_IID(IID_IQueryInfo,IQueryInfo)
   COM_INTERFACE_ENTRY(IPersist)
END_COM_MAP()
// CFolder
public:
   static HRESULT WINAPI UpdateRegistry(BOOL bRegister);
private:
   static BOOL _FindAmigaDrive(LPTSTR pstrDevice);
   static HRESULT _RegisterObject(CLSID clsid, UINT id, BOOL bRegister, _ATL_REGMAP_ENTRY *rm, LPCTSTR pstrDeviceName);
// IShellFolder
public:
   STDMETHOD(CompareIDs)(LPARAM lParam, LPCITEMIDLIST, LPCITEMIDLIST);
   STDMETHOD(GetDisplayNameOf)(LPCITEMIDLIST pidl, DWORD dwReserved, LPSTRRET lpName);
   STDMETHOD(GetAttributesOf)(UINT, LPCITEMIDLIST*, LPDWORD rgfInOut);
   STDMETHOD(EnumObjects)(HWND hWnd, DWORD dw, LPENUMIDLIST* ppRetVal);
   STDMETHOD(BindToObject)(LPCITEMIDLIST pidl, LPBC, REFIID riid, LPVOID* ppvOut);
   STDMETHOD(GetUIObjectOf)(HWND, UINT, LPCITEMIDLIST*, REFIID, LPUINT, LPVOID*);
   STDMETHOD(CreateViewObject)(HWND hwndOwner, REFIID riid, LPVOID* ppvOut);
   STDMETHOD(SetNameOf)(HWND, LPCITEMIDLIST, LPCOLESTR, DWORD, LPITEMIDLIST*);
// IQueryInfo
public:
   STDMETHOD(GetInfoTip)(DWORD dwFlags,LPWSTR *ppwszTip);
   STDMETHOD(GetInfoFlags)(DWORD *pdwFlags);
// Implementation
public:
   HRESULT _CreateShellFolderView(LPVOID *ppvObj);
public:
   HRESULT _Init(LPCITEMIDLIST Master, LPCITEMIDLIST Custom, LPCITEMIDLIST pidl);
   HRESULT _BindToObject(LPCITEMIDLIST pidl, CComObject<CFolder> **pFolder);
   HRESULT _BindToParent(CComObject<CFolder> **pFolder);
private:
   LPITEMIDLIST _CreateItem(LPCTSTR pstrName, 
                            LPCTSTR pstrComment,
                            PIDLTYPE pidlType, 
                            int DosType,
                            DWORD dwSize, 
                            SYSTEMTIME ftTime,
                            DWORD dwAccess,
                            DWORD dwEntryFlags);
   void _AddFolderToEnum(CPidl &pidl, List *cell, DWORD dwFlags, DWORD dwEntryFlags);
   void _AddDeletedToEnum(CPidl &pidl, List *cell, SECTNUM nDirSector, DWORD dwFlags, DWORD dwEntryFlags);
   //
public:
   static short _CompareItems(short iColumn, LPCPIDLDATA pData1, LPCPIDLDATA pData2);
   //
   HRESULT _OpenAmigaDevice(LPCITEMIDLIST pidlPath, 
                            BOOL bReadOnly, 
                            LPCITEMIDLIST pidlStartFolder, 
                            CAdfDevice &dev, 
                            CAdfVolume &vol);
   //
   BOOL _IsDroppedPathSame(LPDATAOBJECT pDataObj);
   BOOL _IsViewWindow(HWND hWnd);
   BOOL _SendViewMessage(HWND hWnd, UINT iMsg, WPARAM wParam=0, LPARAM lParam=0);
   HRESULT _DoDrop(LPDATAOBJECT pDataObject, DWORD dwDropEffect);
   HRESULT _DoDrop_HDROP(HGLOBAL hMem, DWORD dwDropEffect);
   HRESULT _DoDrop_FILEDESCRIPTOR(HGLOBAL hMem, IDataObject *pDataObject, DWORD dwDropEffect);
public:
   typedef enum {
      FILEOP_CANCEL       = 1,
      FILEOP_YESTOALL     = 2,
      FILEOP_UNIQUENAME   = 4,
      FILEOP_DONTTRUNCATE = 8,
      FILEOP_SILENT       = 16,
   };
   HRESULT _MoveFile(LPCTSTR pstrSource, LPCTSTR pstrDestPath, LPCTSTR pstrDestName, LPDWORD pdwFileOpFlags);
   HRESULT _CopyFile(LPCTSTR pstrSource, LPCTSTR pstrDestPath, LPCTSTR pstrDestName, LPDWORD pdwFileOpFlags);
   HRESULT _CreateFolder(LPTSTR pstrDestName, LPDWORD pdwFileOpFlags);
   HRESULT _RemoveDirectory(CAdfVolume &vol, LPCTSTR pstrPath);
   HRESULT _DeleteFiles(LPCITEMIDLIST *pidls, UINT nCount);
   HRESULT _UnDeleteFiles(LPCITEMIDLIST *pidls, UINT nCount);
   HRESULT _RenameFile(LPCITEMIDLIST pidlOld, LPCITEMIDLIST pidlNew);
   UINT _ConfirmDelete(LPCITEMIDLIST *pidls, UINT nCount, LPDWORD pdwFileOpFlags);
private:
   UINT _CheckFileCollision(CAdfVolume &vol, LPCTSTR pstrFileName, LPDWORD pdwCopyOpFlags, BOOL *pbIsDuplicate);
   BOOL _CheckForDiskExchaustion(CAdfVolume &vol, DWORD dwFileSize, LPDWORD pdwFileOpFlags);
   BOOL _FindUniqueFileName(CAdfVolume &vol, LPTSTR pstrName);
   BOOL _ValidateFileName(LPTSTR pstrFileName, LPDWORD pdwFileOpFlags);
   SYSTEMTIME _ConvertEntryTime(Entry *entry);
// Attributes
public:
   CPidl m_pidlPath;
   DWORD m_dwFolderID;
   bool m_bErrorShown;
   static DWORD m_dwShellAttributes;
};
// Specify which options the namespace supports
__declspec(selectany) DWORD CFolder::m_dwShellAttributes = 
   SFGAO_FOLDER | 
   SFGAO_HASSUBFOLDER | 
   SFGAO_FILESYSTEM | 
   SFGAO_DROPTARGET | 
   SFGAO_BROWSABLE;
#endif //__FOLDER_H_

						