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romkazvo
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Editor/XT/Include/XTShellPidl.h
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162
Editor/XT/Include/XTShellPidl.h
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// XTShellPidl.h : header file
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//
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// This file is a part of the Xtreme Toolkit for MFC.
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// <20>1998-2003 Codejock Software, All Rights Reserved.
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//
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// This source code can only be used under the terms and conditions
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// outlined in the accompanying license agreement.
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//
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// support@codejock.com
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// http://www.codejock.com
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//
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//////////////////////////////////////////////////////////////////////
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#ifndef __XTSHELLPIDL_H__
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#define __XTSHELLPIDL_H__
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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LRESULT CALLBACK HookWndProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp);
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//////////////////////////////////////////////////////////////////////
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// Summary: CXTShellPidl is a stand alone base class. This class is used by the
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// shell tree and list controls to handle PIDL creation and management.
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class _XT_EXT_CLASS CXTShellPidl
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{
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public:
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// Summary: Constructs a CXTShellPidl object.
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CXTShellPidl();
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// Summary: Destroys a CXTShellPidl object, handles cleanup and de-allocation.
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virtual ~CXTShellPidl();
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public:
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// Input: path - File system path string.
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// Returns: A pointer to an item ID list. Returns NULL if it fails.
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// Summary: This member function gets the fully qualified PIDL for the path string.
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LPITEMIDLIST IDLFromPath(CString path);
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// Input: pidlPath - Fully qualified PIDL.
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// Returns: A fully qualified parent PIDL.
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// Summary: This member function performs the OneUp or back function.
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LPITEMIDLIST OneUpPIDL(LPITEMIDLIST pidlPath);
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// Input: path - Path string.
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// Returns: A path string to the parent.
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// Summary: This member function gets the parent folder using PIDLs.
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CString OneUpPATH(CString path);
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// Input: pidl - PIDL list.
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// Returns: A pointer to the last IDL in the list.
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// Summary: This member function walks an ITEMIDLIST and points to the last one.
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LPITEMIDLIST GetLastITEM(LPITEMIDLIST pidl);
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// Input: pidl - Pointer to an ITEMIDLIST.
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// Returns: A new pointer to a copy of the PIDL.
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// Summary: This member function copies a whole ITEMIDLIST. Remember to Free()
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// the old one if it is no longer needed.
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LPITEMIDLIST CopyIDList(LPITEMIDLIST pidl);
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// Input: pidl1 - Pointer to an item ID list.
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// pidl2 - Pointer to an item ID list.
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// Returns: A pointer to an item ID list.
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// Summary: This member function concatenates two PIDLs.
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LPITEMIDLIST ConcatPidls(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2);
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// Input: lpsf - Pointer to the parent shell folder.
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// lpi - Pointer to the item ID that is relative to 'lpsf'.
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// Returns: A pointer to an item ID list.
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// Summary: This member function gets the fully qualified PIDLs for the specified
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// folder.
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LPITEMIDLIST GetFullyQualPidl(LPSHELLFOLDER lpsf,LPITEMIDLIST lpi);
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// Input: lpMalloc - Points to the shell<6C>s IMalloc interface.
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// lpi - Pointer to item ID that is to be copied.
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// Returns: A pointer to an item ID list.
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// Summary: This member function copies the ITEMID.
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LPITEMIDLIST DuplicateItem(LPMALLOC lpMalloc,LPITEMIDLIST lpi);
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// Input: lpsf - Pointer to the parent shell folder.
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// lpi - Pointer to the item ID that is relative to 'lpsf'.
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// dwFlags - Flags to determine which value to return. See SHGNO for more details.
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// lpFriendlyName - Buffer to receive the friendly name of the folder.
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// Returns: TRUE if successful, otherwise returns FALSE.
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// Summary: This member function gets the friendly name for the folder or file.
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BOOL GetName(LPSHELLFOLDER lpsf,LPITEMIDLIST lpi,DWORD dwFlags,TCHAR* lpFriendlyName);
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// Input: cbSize - Initial size of the PIDL.
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// Returns: A pointer to an item ID list.
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// Summary: This member function allocates a PIDL.
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LPITEMIDLIST CreatePidl(UINT cbSize);
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// Input: pidl - Pointer to an item ID list.
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// Returns: The number of item IDs in the list.
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// Summary: This member function computes the number of item IDs in an item ID
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// list.
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UINT GetPidlItemCount(LPCITEMIDLIST pidl);
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// Input: pidl - Pointer to an item ID list.
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// Returns: A pointer to the next PIDL item in the list.
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// Summary: This member function gets the next PIDL in the list.
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LPITEMIDLIST GetNextPidlItem(LPCITEMIDLIST pidl);
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// Input: hwnd - Context menu owner.
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// lpsfParent - Pointer to the parent shell folder.
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// lpi - Pointer to the item ID that is relative to 'lpsfParent'.
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// nCount - Number of PIDLs.
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// lppt - Screen location of where to popup the menu.
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// Returns: TRUE on success, or FALSE on failure.
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// Summary: This member function displays a popup context menu, given a parent
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// shell folder, relative item ID, and screen location.
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BOOL ShowContextMenu(HWND hwnd,LPSHELLFOLDER lpsfParent,LPCITEMIDLIST *lpi,int nCount,LPPOINT lppt);
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// Input: hwnd - Context menu owner.
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// lpsfParent - Pointer to the parent shell folder.
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// lpi - Pointer to the item ID that is relative to 'lpsfParent'.
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// lppt - Screen location of where to popup the menu.
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// Returns: TRUE on success, or FALSE on failure.
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// Summary: This member function displays a popup context menu, given a parent
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// shell folder, relative item ID, and screen location.
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BOOL ShowContextMenu(HWND hwnd,LPSHELLFOLDER lpsfParent,LPITEMIDLIST lpi,LPPOINT lppt);
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// Input: lpi - Fully qualified item ID list for the current item.
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// uFlags - Flags for SHGetFileInfo().
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// Returns: An icon index for the current item.
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// Summary: This member function gets the index for the current icon. Index is
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// the index into the system image list.
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int GetItemIcon(LPITEMIDLIST lpi,UINT uFlags);
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// Input: psfFolder - A pointer to a valid IShellFolder data type.
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// localPidl - A pointer to a valid _ITEMIDLIST structure.
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// nCount - Number of items in the context menu.
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// ppCM - Long pointer to a CONTEXTMENU struct.
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// pcmType - A pointer to a valid int data type that represents the version number
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// of the context menu.
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// Returns: An HRESULT value.
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// Summary: This member function gets the IContextMenu, IContextMenu2 or IContextMenu3
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// interface.
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HRESULT GetSHContextMenu(LPSHELLFOLDER psfFolder,LPCITEMIDLIST *localPidl,int nCount,void** ppCM,int* pcmType);
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protected:
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virtual void OnShowContextMenu(int idCmd, CMINVOKECOMMANDINFO& cmi);
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private:
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static WNDPROC m_pOldWndProc; // regular window proc
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static LPCONTEXTMENU2 m_pIContext2; // active shell context menu
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static LRESULT CALLBACK HookWndProc(
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HWND hWnd,
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UINT msg,
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WPARAM wp,
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LPARAM lp);
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};
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//////////////////////////////////////////////////////////////////////
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#endif // __XTSHELLPIDL_H__
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