www.gusucode.com > 递归法实现一键清空C++源码程序 > 递归法实现一键清空/clearall/ClearAll/Registry.cpp
// Registry.cpp : implementation file // #include "stdafx.h" #include "Registry.h" ///////////////////////////////////////////////////////////////////////////// // CRegistry CRegistry::CRegistry(HKEY hKey) { m_hKey=hKey; } CRegistry::~CRegistry() { Close(); } ///////////////////////////////////////////////////////////////////////////// // CRegistry Functions BOOL CRegistry::CreateKey(LPCTSTR lpSubKey) { ASSERT(m_hKey); ASSERT(lpSubKey); HKEY hKey; DWORD dw; long lReturn=RegCreateKeyEx(m_hKey,lpSubKey,0L,NULL,REG_OPTION_VOLATILE,KEY_ALL_ACCESS,NULL,&hKey,&dw); if(lReturn==ERROR_SUCCESS) { m_hKey=hKey; return TRUE; } return FALSE; } BOOL CRegistry::Open(LPCTSTR lpSubKey) { ASSERT(m_hKey); ASSERT(lpSubKey); HKEY hKey; long lReturn=RegOpenKeyEx(m_hKey,lpSubKey,0L,KEY_ALL_ACCESS,&hKey); if(lReturn==ERROR_SUCCESS) { m_hKey=hKey; return TRUE; } return FALSE; } void CRegistry::Close() { if(m_hKey) { RegCloseKey(m_hKey); m_hKey=NULL; } } BOOL CRegistry::DeleteValue(LPCTSTR lpValueName) { ASSERT(m_hKey); ASSERT(lpValueName); long lReturn=RegDeleteValue(m_hKey,lpValueName); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::DeleteKey(HKEY hKey, LPCTSTR lpSubKey) { ASSERT(hKey); ASSERT(lpSubKey); long lReturn=RegDeleteKey(hKey,lpSubKey); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::Write(LPCTSTR lpSubKey, int nVal) { ASSERT(m_hKey); ASSERT(lpSubKey); DWORD dwValue; dwValue=(DWORD)nVal; long lReturn=RegSetValueEx(m_hKey,lpSubKey,0L,REG_DWORD,(const BYTE *) &dwValue,sizeof(DWORD)); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::Write(LPCTSTR lpSubKey, DWORD dwVal) { ASSERT(m_hKey); ASSERT(lpSubKey); long lReturn=RegSetValueEx(m_hKey,lpSubKey,0L,REG_DWORD,(const BYTE *) &dwVal,sizeof(DWORD)); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::Write(LPCTSTR lpValueName, LPCTSTR lpValue) { ASSERT(m_hKey); ASSERT(lpValueName); ASSERT(lpValue); long lReturn=RegSetValueEx(m_hKey,lpValueName,0L,REG_SZ,(const BYTE *) lpValue,strlen(lpValue)+1); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::Read(LPCTSTR lpValueName, int* pnVal) { ASSERT(m_hKey); ASSERT(lpValueName); ASSERT(pnVal); DWORD dwType; DWORD dwSize=sizeof(DWORD); DWORD dwDest; long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)&dwDest,&dwSize); if(lReturn==ERROR_SUCCESS) { *pnVal=(int)dwDest; return TRUE; } return FALSE; } BOOL CRegistry::Read(LPCTSTR lpValueName, DWORD* pdwVal) { ASSERT(m_hKey); ASSERT(lpValueName); ASSERT(pdwVal); DWORD dwType; DWORD dwSize=sizeof(DWORD); DWORD dwDest; long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)&dwDest,&dwSize); if(lReturn==ERROR_SUCCESS) { *pdwVal=dwDest; return TRUE; } return FALSE; } BOOL CRegistry::RestoreKey(LPCTSTR lpFileName) { ASSERT(m_hKey); ASSERT(lpFileName); long lReturn=RegRestoreKey(m_hKey,lpFileName,REG_WHOLE_HIVE_VOLATILE); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::SaveKey(LPCTSTR lpFileName) { ASSERT(m_hKey); ASSERT(lpFileName); long lReturn=RegSaveKey(m_hKey,lpFileName,NULL); if(lReturn==ERROR_SUCCESS) return TRUE; return FALSE; } BOOL CRegistry::Read(LPCTSTR lpValueName, CString* lpVal) { ASSERT(m_hKey); ASSERT(lpValueName); ASSERT(lpVal); DWORD dwType; DWORD dwSize=200; char szString[2550]; long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)szString,&dwSize); if(lReturn==ERROR_SUCCESS) { *lpVal=szString; return TRUE; } return FALSE; }