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156 lines
4.4 KiB
156 lines
4.4 KiB
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000-2002 Microsoft Corporation
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//
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// Module Name:
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// CRegistryKey.h
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//
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// Description:
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// Header file for CRegistryKey class.
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//
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// The CRegistry class is the representation of a registry key.
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// See IMPORTANT NOTE in the class description.
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//
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// Implementation Files:
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// CRegistryKey.cpp
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//
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// Maintained By:
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// Vij Vasu (Vvasu) 03-MAR-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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// Make sure that this file is included only once per compile path.
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#pragma once
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//////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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// For smart classes
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#include "SmartClasses.h"
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// class CRegistryKey
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//
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// Description:
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// The CRegistry class is the representation of a registry key.
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//
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// IMPORTANT NOTE:
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// Due to the contained smart handle object, objects of this class
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// have destructive copy semantics. That is, copying an object of this
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// class will invalidate the source object.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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class CRegistryKey
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// Constructors and destructors
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//////////////////////////////////////////////////////////////////////////
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// Default constructor.
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CRegistryKey( void ) throw();
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// Constructor that opens the key.
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CRegistryKey(
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HKEY hKeyParentIn
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, const WCHAR * pszSubKeyNameIn
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, REGSAM samDesiredIn = KEY_ALL_ACCESS
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);
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// Default destructor.
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~CRegistryKey( void );
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//////////////////////////////////////////////////////////////////////////
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// Public methods
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//////////////////////////////////////////////////////////////////////////
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// Open this key.
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void
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OpenKey(
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HKEY hKeyParentIn
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, const WCHAR * pszSubKeyNameIn
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, REGSAM samDesiredIn = KEY_ALL_ACCESS
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);
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// Create this key. Open it if it already exists.
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void
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CreateKey(
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HKEY hKeyParentIn
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, const WCHAR * pszSubKeyNameIn
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, REGSAM samDesiredIn = KEY_ALL_ACCESS
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);
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// Read a value under this key.
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void QueryValue(
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const WCHAR * pszValueNameIn
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, LPBYTE * ppbDataOut
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, LPDWORD pdwDataSizeBytesOut
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, LPDWORD pdwTypeOut = NULL
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) const;
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// Write a value under this key.
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void SetValue(
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const WCHAR * pszValueNameIn
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, DWORD dwTypeIn
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, const BYTE * cpbDataIn
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, DWORD dwDataSizeBytesIn
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) const;
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//
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// Rename this key.
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// Note: This function calls the NtRenameKey API with the handle returned by
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// RegOpenKeyEx. This will work as long as we are not dealing with a remote
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// registry key.
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//
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void RenameKey( const WCHAR * pszNewNameIn );
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// Delete a value under this key.
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void DeleteValue(
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const WCHAR * pszValueNameIn
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) const;
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//////////////////////////////////////////////////////////////////////////
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// Public accessors
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//////////////////////////////////////////////////////////////////////////
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// Get the handle to the registry key.
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HKEY HGetKey()
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{
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return m_shkKey.HHandle();
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}
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private:
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//////////////////////////////////////////////////////////////////////////
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// Private type definitions
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//////////////////////////////////////////////////////////////////////////
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// Smart registry key
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typedef CSmartResource<
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CHandleTrait<
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HKEY
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, LONG
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, RegCloseKey
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, reinterpret_cast< HKEY >( NULL )
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>
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>
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SmartHKey;
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//////////////////////////////////////////////////////////////////////////
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// Private data
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//////////////////////////////////////////////////////////////////////////
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SmartHKey m_shkKey;
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}; //*** class CRegistryKey
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