149 lines
3.5 KiB
C
149 lines
3.5 KiB
C
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#ifndef _INC_DSKQUOTA_REGISTRY_H
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#define _INC_DSKQUOTA_REGISTRY_H
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#ifndef _WINDOWS_
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# include <windows.h>
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#endif
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#ifndef _INC_DSKQUOTA_STRCLASS_H
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# include "strclass.h"
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#endif
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#ifndef _INC_DSKQUOTA_CARRAY_H
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# include "carray.h"
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#endif
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//
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// Represents a single registry key. Provides basic functions for
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// opening and closing the key as well as setting and querying for
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// values in that key. Closure of the key handle is ensured through
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// the destructor.
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//
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class RegKey
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{
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public:
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RegKey(void);
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RegKey(HKEY hkeyRoot, LPCTSTR pszSubKey);
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virtual ~RegKey(void);
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operator HKEY(void) const
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{ return m_hkey; }
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HKEY GetHandle(void) const
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{ return m_hkey; }
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HRESULT Open(REGSAM samDesired, bool bCreate = false) const;
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void Attach(HKEY hkey);
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void Detach(void);
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void Close(void) const;
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int GetValueBufferSize(
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LPCTSTR pszValueName) const;
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bool IsOpen(void) const
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{ return NULL != m_hkey; }
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HRESULT WatchForChange(DWORD dwChangeFilter, bool bWatchSubtree = false);
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HRESULT WaitForChange(DWORD dwChangeFilter, bool bWatchSubtree = false);
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//
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// Retrieve REG_DWORD
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//
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HRESULT GetValue(
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LPCTSTR pszValueName,
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DWORD *pdwDataOut) const;
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//
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// Retrieve REG_BINARY
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//
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HRESULT GetValue(
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LPCTSTR pszValueName,
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LPBYTE pbDataOut,
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int cbDataOut) const;
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//
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// Retrieve REG_SZ
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//
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HRESULT GetValue(
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LPCTSTR pszValueName,
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CString *pstrDataOut) const;
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//
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// Retrieve REG_MULTI_SZ
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//
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HRESULT GetValue(
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LPCTSTR pszValueName,
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CArray<CString> *prgstrOut) const;
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//
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// Set REG_DWORD
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//
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HRESULT SetValue(
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LPCTSTR pszValueName,
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DWORD dwData);
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//
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// Set REG_BINARY
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//
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HRESULT SetValue(
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LPCTSTR pszValueName,
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const LPBYTE pbData,
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int cbData);
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//
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// Set REG_SZ
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//
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HRESULT SetValue(
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LPCTSTR pszValueName,
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LPCTSTR pszData);
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//
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// Set REG_MULTI_SZ
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//
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HRESULT SetValue(
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LPCTSTR pszValueName,
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const CArray<CString>& rgstrData);
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protected:
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virtual void OnChange(HKEY hkey);
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private:
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HKEY m_hkeyRoot;
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mutable HKEY m_hkey;
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HANDLE m_hChangeEvent;
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DWORD m_dwChangeFilter;
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CString m_strSubKey;
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bool m_bWatchSubtree;
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HRESULT SetValue(
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LPCTSTR pszValueName,
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DWORD dwValueType,
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const LPBYTE pbData,
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int cbData);
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HRESULT GetValue(
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LPCTSTR pszValueName,
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DWORD dwTypeExpected,
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LPBYTE pbData,
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int cbData) const;
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LPTSTR CreateDoubleNulTermList(
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const CArray<CString>& rgstrSrc) const;
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static DWORD NotifyWaitThreadProc(LPVOID pvParam);
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//
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// Prevent copy.
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//
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RegKey(const RegKey& rhs);
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RegKey& operator = (const RegKey& rhs);
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};
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#if DBG
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class RegKeyChg : public RegKey
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{
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public:
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RegKeyChg(HKEY hkeyRoot, LPCTSTR pszSubKey);
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~RegKeyChg(void);
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protected:
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virtual void OnChange(HKEY hkey);
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};
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#endif // #if DBG
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#endif // _INC_DSKQUOTA_REGISTRY_H
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