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338 lines
10 KiB
338 lines
10 KiB
//____________________________________________________________________________
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: regutil.h
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 3/20/1997 RaviR Created
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//____________________________________________________________________________
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//
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#pragma once
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#include "nmtempl.h"
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#ifdef COMMENTS_ONLY
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/*
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REGISTRY LAYOUT USED BY MMC:
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SNAPINS
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HKEY_LOCAL_MACHINE\Software\Microsoft\MMC\SnapIns
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{04ebc1e6-a16c-11d0-a799-00c04fd8d565} // See N-1.
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NameString = REG_SZ "Snapin Name"
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About = REG_SZ "{128ac4e6-a16c-11d0-a799-00c04fd8d565}" // See N-2.
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NodeTypes // See N-3.
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{c713e06c-a16e-11d0-a799-00c04fd8d565}
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{c713e06d-a16e-11d0-a799-00c04fd8d565}
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{c713e06e-a16e-11d0-a799-00c04fd8d565}
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{c713e06f-a16e-11d0-a799-00c04fd8d565}
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StandAlone // See N-4.
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RequiredExtensions // See N-5.
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{a2087336-a16c-11d0-a799-00c04fd8d565}
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{70098cd3-a16c-11d0-a799-00c04fd8d565}
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N-1) Snapin clsid. Only snapins that add to the name space should be
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entered here.
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N-2) Clisd of the object that will be cocreated to get the IAbout interface
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ptr for the snapin.
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N-3) Enumerate all the node type GUIDs that may be put up by this snapin.
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N-4) [Optional] Add the 'StandAlone' key only if the snapin can appear by
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itself under the Console Root. If this key is not present the snapin is
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assumed to be name space extension snapin. Note: A stand alone snapin
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can also be an extension snapin (i.e. it can extend some other snapin).
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N-5) [Optional] Enumerate the CLSIDs of extension snapins that are required
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for this snapin to function.
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NODETYPES
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HKEY_LOCAL_MACHINE\Software\Microsoft\MMC\NodeTypes
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{12345601-EA27-11CF-ADCF-00AA00A80033} // Node type GUID
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= REG_SZ "Log object"
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Extensions
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NameSpace // See N-7.
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{19876201-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Alert SnapIn"
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{34346202-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Viewer SnapIn"
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ContextMenu // See N-8.
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{19876202-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Alert SnapIn"
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{34346202-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Viewer SnapIn"
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ToolBar // See N-9.
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{19876202-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Alert SnapIn"
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{00234ca8-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Pure toolbar extn obj"
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PropertySheet // See N-10.
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{12222222-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Pure propery sheet extn obj"
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View // See N-12.
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{12222222-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "View extn obj"
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Task // See N-13.
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{12222222-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Snapin Taskpad extn obj"
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Taskpad // See N-14.
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{12222222-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "MMC2.0 Taskpad extn obj"
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Dynamic Extensions // See N-11
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{34346202-EA27-11CF-ADCF-00AA00A80033} = REG_SZ "Viewer SnapIn"
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N-7) Under the key 'NameSpace' list the CLSIDs of snapins that can extend the
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name space of this nodetype.
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N-8) Under the 'ContextMenu' key list the CLSIDs of snapins that can extend
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the context menu of items put up by this nodetype.
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N-9) Under the 'ToolBar' key list the CLSIDs of snapins that can extend
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the toolbar of items put up by this nodetype.
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N-10)Under the 'PropertySheet' key list the CLSIDs of snapins that can extend
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the property sheet of items put up by this nodetype.
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N-11)Under the 'Dynamic Extensions' Key list the CLSIDs of extensions that can only
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be enabled dynamically, not by the snap-in manager. Any CLSIDs listed here
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should also appear under one on the other extension sub-keys.
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N-12)Under the 'View' key list the CLSIDs of snapins that can extend
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the view of items put up by this nodetype.
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N-13)Under the 'Task' key list the CLSIDs of snapins that can extend
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the Taskpad of items put up by this nodetype.
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*/
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#endif // COMMENTS_ONLY
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#ifndef _REGUTIL_H_
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#define _REGUTIL_H_
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#ifdef DBG
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#define ASSERT_INITIALIZED ASSERT(dbg_m_fInit == TRUE)
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#else
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#define ASSERT_INITIALIZED
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#endif
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// Forward decl
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class CPolicy;
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/*+-------------------------------------------------------------------------*
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* class CExtensionsIterator
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*
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*
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* PURPOSE: Allows iterating through all the extension snap-ins for a particular
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* nodetype.
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* Once initialized, returns, in order, all the registered extensions
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* followed by all the dynamic extensions. If a dynamic extension was
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* also a static extension, does not repeat the snap-in.
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*
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*
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* USAGE: Initialize the object, then make calls to GetCLSID() followed by
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* Advance() until IsEnd() returns true.
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*
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*+-------------------------------------------------------------------------*/
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class CExtensionsIterator
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{
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public:
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// Constructor & destructor
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CExtensionsIterator();
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~CExtensionsIterator();
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// 1st variation - initializes the iterator from a dataobject and an extension type
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SC ScInitialize(LPDATAOBJECT pDataObject, LPCTSTR pszExtensionTypeKey);
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// 2nd variation (legacy)
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SC ScInitialize(CSnapIn *pSnapIn, GUID& rGuidNodeType, LPCTSTR pszExtensionTypeKey, LPCLSID pDynExtCLSID = NULL, int cDynExt = 0);
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// Attributes
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BOOL IsEnd()
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{
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ASSERT_INITIALIZED;
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return (m_pExtSI == NULL && m_nDynIndex >= m_cDynExt);
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}
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BOOL IsDynamic()
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{
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ASSERT_INITIALIZED;
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return (m_pExtSI == NULL);
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}
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void Reset()
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{
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ASSERT_INITIALIZED;
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m_pExtSI = m_spSnapIn->GetExtensionSnapIn();
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m_nDynIndex = 0;
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m_cExtUsed = 0;
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_EnsureExtension();
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}
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void Advance()
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{
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ASSERT_INITIALIZED;
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if (m_pExtSI != NULL)
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m_pExtSI = m_pExtSI->Next();
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else
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m_nDynIndex++;
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_EnsureExtension();
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}
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const CLSID& GetCLSID()
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{
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ASSERT_INITIALIZED;
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if (m_pExtSI != NULL)
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return m_pExtSI->GetCLSID();
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else if (m_nDynIndex < m_cDynExt)
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return m_pDynExtCLSID[m_nDynIndex];
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ASSERT(FALSE);
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return GUID_NULL;
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}
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CSnapIn* GetSnapIn()
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{
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ASSERT_INITIALIZED;
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if (m_pExtSI != NULL)
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{
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return m_pExtSI->GetSnapIn();
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}
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ASSERT(FALSE);
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return NULL;
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}
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private:
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HRESULT Init(GUID& rGuidNodeType, LPCTSTR pszExtensionTypeKey);
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// Implementation
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private:
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CSnapInPtr m_spSnapIn;
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CRegKeyEx m_rkey;
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CRegKeyEx m_rkeyDynExt;
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CExtSI* m_pExtSI;
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CExtSI** m_ppExtUsed;
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CArray<GUID,GUID&> m_cachedDynExtens;
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LPCLSID m_pDynExtCLSID;
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int m_cDynExt;
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int m_nDynIndex;
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int m_cExtUsed;
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CPolicy* m_pMMCPolicy;
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#ifdef DBG
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BOOL dbg_m_fInit;
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#endif
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void _EnsureExtension()
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{
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ASSERT_INITIALIZED;
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// Step through the snap-in's static extensions first
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for (; m_pExtSI != NULL; m_pExtSI = m_pExtSI->Next())
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{
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if (m_pExtSI->IsNew() == TRUE)
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continue;
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// Is this registered as the correct extension type?
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// Note: if extension is required, then it doesn't
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// have to be registered as a static extension
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if (_Extends(!m_pExtSI->IsRequired()) == TRUE)
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{
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m_ppExtUsed[m_cExtUsed++] = m_pExtSI;
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return;
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}
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}
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// When they are exhausted, go through the dynamic list
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for (; m_nDynIndex < m_cDynExt; m_nDynIndex++)
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{
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if (_Extends() == FALSE)
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continue;
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// Don't use dynamic extension that is already used statically
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for (int i=0; i< m_cExtUsed; i++)
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{
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if (IsEqualCLSID(m_pDynExtCLSID[m_nDynIndex], m_ppExtUsed[i]->GetCLSID()))
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break;
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}
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if (i == m_cExtUsed)
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return;
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}
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}
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BOOL _Extends(BOOL bStatically = FALSE);
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// Undefined
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CExtensionsIterator(const CExtensionsIterator& rhs);
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CExtensionsIterator& operator= (const CExtensionsIterator& rhs);
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}; // class CExtensionsIterator
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inline UINT HashKey(GUID& guid)
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{
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unsigned short* Values = (unsigned short *)&guid;
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return (Values[0] ^ Values[1] ^ Values[2] ^ Values[3] ^
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Values[4] ^ Values[5] ^ Values[6] ^ Values[7]);
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}
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class CExtensionsCache : public CMap<GUID, GUID&, int, int>
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{
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public:
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CExtensionsCache()
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{
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InitHashTable(31);
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}
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void Add(GUID& guid)
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{
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SetAt(guid, 0);
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}
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}; // class CExtensionsCache
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typedef XMapIterator<CExtensionsCache, GUID, int> CExtensionsCacheIterator;
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HRESULT ExtractDynExtensions(IDataObject* pdataObj, CArray<GUID, GUID&>& arrayGuid);
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SC ScGetExtensionsForNodeType(GUID& guid, CExtensionsCache& extnsCache);
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HRESULT MMCGetExtensionsForSnapIn(const CLSID& clsid,
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CExtensionsCache& extnsCache);
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BOOL ExtendsNodeNameSpace(GUID& rguidNodeType, CLSID* pclsidExtn);
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bool GetSnapinNameFromCLSID(const CLSID& clsid, tstring& tszSnapinName);
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SC ScGetAboutFromSnapinCLSID(LPCTSTR szClsidSnapin, CLSID& clsidAbout);
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SC ScGetAboutFromSnapinCLSID(const CLSID& clsidSnapin, CLSID& clsidAbout);
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bool IsIndirectStringSpecifier (LPCTSTR psz);
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template<class StringType> SC ScGetSnapinNameFromRegistry (const CLSID& clsid, StringType& str);
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template<class StringType> SC ScGetSnapinNameFromRegistry (LPCTSTR pszClsid, StringType& str);
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template<class StringType> SC ScGetSnapinNameFromRegistry (CRegKeyEx& key, StringType& str);
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inline BOOL HasNameSpaceExtensions(GUID& rguidNodeType)
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{
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return ExtendsNodeNameSpace(rguidNodeType, NULL);
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}
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#include "regutil.inl"
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#endif // _REGUTIL_H_
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