注册表操作2（转）

VC 注册表操作
//获取注册表值
HKEY hKEY;
 LPCTSTR data_Set="SOFTWARE//INTERNET";
 long ret0=::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_Set, 0, KEY_ALL_ACCESS, &hKEY);
 LPBYTE lpa = new BYTE[500];
 DWORD dwAidSize=500;
 DWORD type=REG_SZ;
 long ret1=::RegQueryValueEx(hKEY,"123",NULL,&type,lpa,&dwAidSize);
 long ret2=::RegCloseKey(hKEY);

//设置注册表值
HKEY hKEY;
 LPCTSTR data_Set="SOFTWARE//MICROSOFT//INTERNET EXPLORER//TOOLBAR";
 long ret0=::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_Set, 0, KEY_ALL_ACCESS, &hKEY);
 bool value=0;
 long ret1=::RegSetValueEx(hKEY,"{123123}",0,REG_BINARY,(LPBYTE) &value,sizeof(value));
 long ret2=::RegCloseKey(hKEY);

 

//删除注册表值
 HKEY hKEY;
 LPCTSTR data_Set="SOFTWARE//MICROSOFT//INTERNET EXPLORER//TOOLBAR";
 long ret0=::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_Set, 0, KEY_ALL_ACCESS, &hKEY);
 long ret1=::RegDeleteValue(hKEY,"123123");
 long ret2=::RegCloseKey(hKEY);

//创建注册表值
HKEY hKEY;
 LPCTSTR data_Set="SOFTWARE//MICROSOFT//INTERNET EXPLORER//TOOLBAR";
 // 打开注册表父目录,取得句柄
 long ret0=::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_Set, 0, KEY_ALL_ACCESS, &hKEY);
 bool value=0;
 long ret1=::RegSetValueEx(hKEY,"123123",0,REG_BINARY,(LPBYTE) &value,sizeof(value));
 long ret2=::RegCloseKey(hKEY);

 

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